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Finding the Fourth Proportional to 651,693,647.57, 899,369,545.25 and 404,254,717.97

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Solution

The fourth proportional to 651,693,647.57, 899,369,545.25 and 404,254,717.97 is: 557,891,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,693,647.57 : 899,369,545.25 = 404,254,717.97 : x
  2. Step 2: Convert to fraction form
    651,693,647.57/899,369,545.25 = 404,254,717.97/x
  3. Step 3: Cross multiply
    651,693,647.57x = 899,369,545.25 × 404,254,717.97
  4. Step 4: Simplify right side
    651,693,647.57x = 363,574,381,862,359,680
  5. Step 5: Solve for x
    x = 363,574,381,862,359,680/651,693,647.57
  6. Step 6: Final answer
    x = 557,891,554.14

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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.