Finding the Fourth Proportional to 247,852,529,519.98, 371,948,617,608.17 and 86,503,936,253.62
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Solution
The fourth proportional to 247,852,529,519.98, 371,948,617,608.17 and 86,503,936,253.62 is: 129,815,175,053.94
Step by Step Solution
- Step 1: Write the proportion equation
247,852,529,519.98 : 371,948,617,608.17 = 86,503,936,253.62 : x - Step 2: Convert to fraction form
247,852,529,519.98/371,948,617,608.17 = 86,503,936,253.62/x - Step 3: Cross multiply
247,852,529,519.98x = 371,948,617,608.17 × 86,503,936,253.62 - Step 4: Simplify right side
247,852,529,519.98x = 32,175,019,507,197,358,899,200 - Step 5: Solve for x
x = 32,175,019,507,197,358,899,200/247,852,529,519.98 - Step 6: Final answer
x = 129,815,175,053.94
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1.5x scale
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.