Finding the Fourth Proportional to 247,852,529,519.17, 371,948,617,606.97 and 86,503,936,252.80
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Solution
The fourth proportional to 247,852,529,519.17, 371,948,617,606.97 and 86,503,936,252.80 is: 129,815,175,052.72
Step by Step Solution
- Step 1: Write the proportion equation
247,852,529,519.17 : 371,948,617,606.97 = 86,503,936,252.80 : x - Step 2: Convert to fraction form
247,852,529,519.17/371,948,617,606.97 = 86,503,936,252.80/x - Step 3: Cross multiply
247,852,529,519.17x = 371,948,617,606.97 × 86,503,936,252.80 - Step 4: Simplify right side
247,852,529,519.17x = 32,175,019,506,790,414,942,208 - Step 5: Solve for x
x = 32,175,019,506,790,414,942,208/247,852,529,519.17 - Step 6: Final answer
x = 129,815,175,052.72
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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.