Finding the Fourth Proportional to 465,663,945.60, 698,376,777.12 and 138,062,854.08
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Solution
The fourth proportional to 465,663,945.60, 698,376,777.12 and 138,062,854.08 is: 207,058,957.40
Step by Step Solution
- Step 1: Write the proportion equation
465,663,945.60 : 698,376,777.12 = 138,062,854.08 : x - Step 2: Convert to fraction form
465,663,945.60/698,376,777.12 = 138,062,854.08/x - Step 3: Cross multiply
465,663,945.60x = 698,376,777.12 × 138,062,854.08 - Step 4: Simplify right side
465,663,945.60x = 96,419,891,072,379,248 - Step 5: Solve for x
x = 96,419,891,072,379,248/465,663,945.60 - Step 6: Final answer
x = 207,058,957.40
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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.