Finding the Fourth Proportional to 4,087,514,282.73, 5,640,771,981.90 and 2,207,919,585
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Solution
The fourth proportional to 4,087,514,282.73, 5,640,771,981.90 and 2,207,919,585 is: 3,046,930,254.40
Step by Step Solution
- Step 1: Write the proportion equation
4,087,514,282.73 : 5,640,771,981.90 = 2,207,919,585 : x - Step 2: Convert to fraction form
4,087,514,282.73/5,640,771,981.90 = 2,207,919,585/x - Step 3: Cross multiply
4,087,514,282.73x = 5,640,771,981.90 × 2,207,919,585 - Step 4: Simplify right side
4,087,514,282.73x = 12,454,370,933,356,273,664 - Step 5: Solve for x
x = 12,454,370,933,356,273,664/4,087,514,282.73 - Step 6: Final answer
x = 3,046,930,254.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.