Finding the Fourth Proportional to 1,553,227,874.97, 2,329,850,522.18 and 518,085,914.19
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Solution
The fourth proportional to 1,553,227,874.97, 2,329,850,522.18 and 518,085,914.19 is: 777,131,776.45
Step by Step Solution
- Step 1: Write the proportion equation
1,553,227,874.97 : 2,329,850,522.18 = 518,085,914.19 : x - Step 2: Convert to fraction form
1,553,227,874.97/2,329,850,522.18 = 518,085,914.19/x - Step 3: Cross multiply
1,553,227,874.97x = 2,329,850,522.18 × 518,085,914.19 - Step 4: Simplify right side
1,553,227,874.97x = 1,207,062,737,709,673,984 - Step 5: Solve for x
x = 1,207,062,737,709,673,984/1,553,227,874.97 - Step 6: Final answer
x = 777,131,776.45
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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.