GOOG would trade at
$81.77
one share of Alphabet, today $353.47 — 4.32× lower
Alphabet today
$4.323 T
Target market cap
$1.000 T
This holds Alphabet’s share count fixed and moves only the valuation, which is what makes it a clean illustration of relative size. It is not a forecast, a target, or a claim that either outcome is possible — assets of very different kinds rarely end up worth the same.