For the purposes of this chapter, "Hawaii taxable estate" means:
(1) For residents, the federal taxable estate under section 2051, et seq., of the Internal Revenue Code but without regard for the deduction for state death taxes paid under section 2058 of the Internal Revenue Code;
(2) For nonresidents, the federal taxable estate under section 2051, et seq., of the Internal Revenue Code, but without regard for the deduction for state death taxes paid under section 2058 of the Internal Revenue Code, multiplied by a fraction, the numerator of which is the value of the property in the State subject to tax under this chapter, and the denominator of which is the federal gross estate; and
(3) For nonresidents not citizens, the federal taxable estate determined under section 2106 of the Internal Revenue Code, but without regard for the deduction for state death taxes paid under section 2106(a)(4) of the Internal Revenue Code, multiplied by a fraction, the numerator of which is the value of the property with a situs in the State subject to tax under this chapter, and the denominator of which is the federal gross estate.