Finding the Fourth Proportional to 2,755,152,625.28, 4,132,723,622.29 and 684,876,380.09
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Solution
The fourth proportional to 2,755,152,625.28, 4,132,723,622.29 and 684,876,380.09 is: 1,027,313,248.77
Step by Step Solution
- Step 1: Write the proportion equation
2,755,152,625.28 : 4,132,723,622.29 = 684,876,380.09 : x - Step 2: Convert to fraction form
2,755,152,625.28/4,132,723,622.29 = 684,876,380.09/x - Step 3: Cross multiply
2,755,152,625.28x = 4,132,723,622.29 × 684,876,380.09 - Step 4: Simplify right side
2,755,152,625.28x = 2,830,404,794,324,032,000 - Step 5: Solve for x
x = 2,830,404,794,324,032,000/2,755,152,625.28 - Step 6: Final answer
x = 1,027,313,248.77
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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.