Home / 762,170,833.56-1,051,407,949.12-498,007,257.24

Finding the Fourth Proportional to 762,170,833.56, 1,051,407,949.12 and 498,007,257.24

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Solution

The fourth proportional to 762,170,833.56, 1,051,407,949.12 and 498,007,257.24 is: 686,996,623.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,170,833.56 : 1,051,407,949.12 = 498,007,257.24 : x
  2. Step 2: Convert to fraction form
    762,170,833.56/1,051,407,949.12 = 498,007,257.24/x
  3. Step 3: Cross multiply
    762,170,833.56x = 1,051,407,949.12 × 498,007,257.24
  4. Step 4: Simplify right side
    762,170,833.56x = 523,608,788,981,584,704
  5. Step 5: Solve for x
    x = 523,608,788,981,584,704/762,170,833.56
  6. Step 6: Final answer
    x = 686,996,623.23

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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.