Finding the Fourth Proportional to 371,778,794,281.53, 557,922,926,414.65 and 129,755,904,381.99
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Solution
The fourth proportional to 371,778,794,281.53, 557,922,926,414.65 and 129,755,904,381.99 is: 194,722,762,583.28
Step by Step Solution
- Step 1: Write the proportion equation
371,778,794,281.53 : 557,922,926,414.65 = 129,755,904,381.99 : x - Step 2: Convert to fraction form
371,778,794,281.53/557,922,926,414.65 = 129,755,904,381.99/x - Step 3: Cross multiply
371,778,794,281.53x = 557,922,926,414.65 × 129,755,904,381.99 - Step 4: Simplify right side
371,778,794,281.53x = 72,393,793,892,379,374,125,056 - Step 5: Solve for x
x = 72,393,793,892,379,374,125,056/371,778,794,281.53 - Step 6: Final answer
x = 194,722,762,583.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.