Finding the Fourth Proportional to 398,998,212.96, 598,554,438.72 and 122,672,629.36
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Solution
The fourth proportional to 398,998,212.96, 598,554,438.72 and 122,672,629.36 is: 184,026,505.45
Step by Step Solution
- Step 1: Write the proportion equation
398,998,212.96 : 598,554,438.72 = 122,672,629.36 : x - Step 2: Convert to fraction form
398,998,212.96/598,554,438.72 = 122,672,629.36/x - Step 3: Cross multiply
398,998,212.96x = 598,554,438.72 × 122,672,629.36 - Step 4: Simplify right side
398,998,212.96x = 73,426,246,812,881,392 - Step 5: Solve for x
x = 73,426,246,812,881,392/398,998,212.96 - Step 6: Final answer
x = 184,026,505.45
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