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Finding the Fourth Proportional to 468,775,507.99, 703,094,815.17 and 136,693,281.43

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Solution

The fourth proportional to 468,775,507.99, 703,094,815.17 and 136,693,281.43 is: 205,019,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,775,507.99 : 703,094,815.17 = 136,693,281.43 : x
  2. Step 2: Convert to fraction form
    468,775,507.99/703,094,815.17 = 136,693,281.43/x
  3. Step 3: Cross multiply
    468,775,507.99x = 703,094,815.17 × 136,693,281.43
  4. Step 4: Simplify right side
    468,775,507.99x = 96,108,337,442,006,640
  5. Step 5: Solve for x
    x = 96,108,337,442,006,640/468,775,507.99
  6. Step 6: Final answer
    x = 205,019,963.30

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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.