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Finding the Fourth Proportional to 651,693,662.47, 899,369,565.82 and 404,254,732.87

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Solution

The fourth proportional to 651,693,662.47, 899,369,565.82 and 404,254,732.87 is: 557,891,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,693,662.47 : 899,369,565.82 = 404,254,732.87 : x
  2. Step 2: Convert to fraction form
    651,693,662.47/899,369,565.82 = 404,254,732.87/x
  3. Step 3: Cross multiply
    651,693,662.47x = 899,369,565.82 × 404,254,732.87
  4. Step 4: Simplify right side
    651,693,662.47x = 363,574,403,584,369,600
  5. Step 5: Solve for x
    x = 363,574,403,584,369,600/651,693,662.47
  6. Step 6: Final answer
    x = 557,891,574.71

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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.