Finding the Fourth Proportional to 853,092,772.29, 1,177,272,379.15 and 476,755,641.17
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Solution
The fourth proportional to 853,092,772.29, 1,177,272,379.15 and 476,755,641.17 is: 657,925,217.73
Step by Step Solution
- Step 1: Write the proportion equation
853,092,772.29 : 1,177,272,379.15 = 476,755,641.17 : x - Step 2: Convert to fraction form
853,092,772.29/1,177,272,379.15 = 476,755,641.17/x - Step 3: Cross multiply
853,092,772.29x = 1,177,272,379.15 × 476,755,641.17 - Step 4: Simplify right side
853,092,772.29x = 561,271,247,953,389,632 - Step 5: Solve for x
x = 561,271,247,953,389,632/853,092,772.29 - Step 6: Final answer
x = 657,925,217.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.