Home / 521,982,329.40-782,484,305.88-176,694,337.08

Finding the Fourth Proportional to 521,982,329.40, 782,484,305.88 and 176,694,337.08

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Solution

The fourth proportional to 521,982,329.40, 782,484,305.88 and 176,694,337.08 is: 264,875,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,982,329.40 : 782,484,305.88 = 176,694,337.08 : x
  2. Step 2: Convert to fraction form
    521,982,329.40/782,484,305.88 = 176,694,337.08/x
  3. Step 3: Cross multiply
    521,982,329.40x = 782,484,305.88 × 176,694,337.08
  4. Step 4: Simplify right side
    521,982,329.40x = 138,260,545,702,970,560
  5. Step 5: Solve for x
    x = 138,260,545,702,970,560/521,982,329.40
  6. Step 6: Final answer
    x = 264,875,912.30

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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.