Finding the Fourth Proportional to 247,852,529,519.25, 371,948,617,607.09 and 86,503,936,252.91
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Solution
The fourth proportional to 247,852,529,519.25, 371,948,617,607.09 and 86,503,936,252.91 is: 129,815,175,052.88
Step by Step Solution
- Step 1: Write the proportion equation
247,852,529,519.25 : 371,948,617,607.09 = 86,503,936,252.91 : x - Step 2: Convert to fraction form
247,852,529,519.25/371,948,617,607.09 = 86,503,936,252.91/x - Step 3: Cross multiply
247,852,529,519.25x = 371,948,617,607.09 × 86,503,936,252.91 - Step 4: Simplify right side
247,852,529,519.25x = 32,175,019,506,839,853,203,456 - Step 5: Solve for x
x = 32,175,019,506,839,853,203,456/247,852,529,519.25 - Step 6: Final answer
x = 129,815,175,052.88
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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.