√ (0.324 x 0.081 x 4.624) / (1.5625 x 0.0289 x 72.9 x 64) =?

Sum of decimal places being equal in Num. and Denom. of given expression
So ,Given expression is equivalent to
√(324 x 81 x 4624) / (15625 x 289 x 729 x 64)
= (18 x 9 x 68) / (125 x 17 x 27 x 8)
= 3/125
= 0.024