Decimal point to binary scale

In binary scale, multiplying 2 is equal to moving every numbers to left by 1.

\[0.625 = 0.xyz_2 \\ 1.250 = x.yz_2 \rightarrow x = 1 \\ 0.25 = 0.yz_2 \\ 0.5 = y.z_2 \rightarrow y=0 \\ 0.5 = 0.z_2 \\ 1 = z_2 \rightarrow z = 1 \\ \therefore x=1, y=0, z=1\]