For the given hypothetical reactions, the equilibrium constants are as follows : \(\begin{aligned}& X \rightleftharpoons…

For the given hypothetical reactions, the equilibrium constants are as follows :
\(\begin{aligned}& X \rightleftharpoons Y ; K _1=1.0 \\& Y \rightleftharpoons Z ; K _2=2.0 \\& Z \rightleftharpoons W ; K _3=4.0\end{aligned}\)

The equilibrium constant for the reaction \(X \rightleftharpoons W\) is