Home / 516,165,937.92-712,308,602.88-284,378,929.92

Finding the Fourth Proportional to 516,165,937.92, 712,308,602.88 and 284,378,929.92

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Solution

The fourth proportional to 516,165,937.92, 712,308,602.88 and 284,378,929.92 is: 392,442,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,165,937.92 : 712,308,602.88 = 284,378,929.92 : x
  2. Step 2: Convert to fraction form
    516,165,937.92/712,308,602.88 = 284,378,929.92/x
  3. Step 3: Cross multiply
    516,165,937.92x = 712,308,602.88 × 284,378,929.92
  4. Step 4: Simplify right side
    516,165,937.92x = 202,565,558,259,824,640
  5. Step 5: Solve for x
    x = 202,565,558,259,824,640/516,165,937.92
  6. Step 6: Final answer
    x = 392,442,707.62

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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.