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Finding the Fourth Proportional to 695,933,787.83, 960,423,103.31 and 431,700,916.68

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Solution

The fourth proportional to 695,933,787.83, 960,423,103.31 and 431,700,916.68 is: 595,768,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,933,787.83 : 960,423,103.31 = 431,700,916.68 : x
  2. Step 2: Convert to fraction form
    695,933,787.83/960,423,103.31 = 431,700,916.68/x
  3. Step 3: Cross multiply
    695,933,787.83x = 960,423,103.31 × 431,700,916.68
  4. Step 4: Simplify right side
    695,933,787.83x = 414,615,534,097,418,816
  5. Step 5: Solve for x
    x = 414,615,534,097,418,816/695,933,787.83
  6. Step 6: Final answer
    x = 595,768,651.20

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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.