Finding the Fourth Proportional to 386,856,560.98, 580,522,747.58 and 153,646,472.08
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Solution
The fourth proportional to 386,856,560.98, 580,522,747.58 and 153,646,472.08 is: 230,564,196.45
Step by Step Solution
- Step 1: Write the proportion equation
386,856,560.98 : 580,522,747.58 = 153,646,472.08 : x - Step 2: Convert to fraction form
386,856,560.98/580,522,747.58 = 153,646,472.08/x - Step 3: Cross multiply
386,856,560.98x = 580,522,747.58 × 153,646,472.08 - Step 4: Simplify right side
386,856,560.98x = 89,195,272,124,184,512 - Step 5: Solve for x
x = 89,195,272,124,184,512/386,856,560.98 - Step 6: Final answer
x = 230,564,196.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.