Question 1159939
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<pre>

Volumes equality equation, in cubic centimetres


    {{{pi*(14/2)^2*47}}} = {{{pi*(0.8/2)^2*x}}}


    {{{(14/2)^2*47}}} = {{{(0.8/2)^2*x}}}    

 
    {{{7^2*47}}} = {{{0.4^2*x}}}


    x = {{{(7^2*47)/0.4^2}}} = 14393.75 cm = 143.9375 meters.    <U>ANSWER</U>


You can round the answer as you want.
</pre>

Solved.