Home / 521,522,872,711.20-782,284,309,066.80-521,522,872,711.20

Finding the Fourth Proportional to 521,522,872,711.20, 782,284,309,066.80 and 521,522,872,711.20

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Solution

The fourth proportional to 521,522,872,711.20, 782,284,309,066.80 and 521,522,872,711.20 is: 782,284,309,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,522,872,711.20 : 782,284,309,066.80 = 521,522,872,711.20 : x
  2. Step 2: Convert to fraction form
    521,522,872,711.20/782,284,309,066.80 = 521,522,872,711.20/x
  3. Step 3: Cross multiply
    521,522,872,711.20x = 782,284,309,066.80 × 521,522,872,711.20
  4. Step 4: Simplify right side
    521,522,872,711.20x = 407,979,160,141,413,813,846,016
  5. Step 5: Solve for x
    x = 407,979,160,141,413,813,846,016/521,522,872,711.20
  6. Step 6: Final answer
    x = 782,284,309,066.80

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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.