Finding the Fourth Proportional to 1,316,895,006,456.20, 1,975,437,715,243.60 and 551,213,087,691.40
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Solution
The fourth proportional to 1,316,895,006,456.20, 1,975,437,715,243.60 and 551,213,087,691.40 is: 826,859,481,752.99
Step by Step Solution
- Step 1: Write the proportion equation
1,316,895,006,456.20 : 1,975,437,715,243.60 = 551,213,087,691.40 : x - Step 2: Convert to fraction form
1,316,895,006,456.20/1,975,437,715,243.60 = 551,213,087,691.40/x - Step 3: Cross multiply
1,316,895,006,456.20x = 1,975,437,715,243.60 × 551,213,087,691.40 - Step 4: Simplify right side
1,316,895,006,456.20x = 1,088,887,122,561,469,496,950,784 - Step 5: Solve for x
x = 1,088,887,122,561,469,496,950,784/1,316,895,006,456.20 - Step 6: Final answer
x = 826,859,481,752.99
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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.