Home / 717,504,295.14-990,155,919.17-387,479,434.14

Finding the Fourth Proportional to 717,504,295.14, 990,155,919.17 and 387,479,434.14

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Solution

The fourth proportional to 717,504,295.14, 990,155,919.17 and 387,479,434.14 is: 534,721,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,504,295.14 : 990,155,919.17 = 387,479,434.14 : x
  2. Step 2: Convert to fraction form
    717,504,295.14/990,155,919.17 = 387,479,434.14/x
  3. Step 3: Cross multiply
    717,504,295.14x = 990,155,919.17 × 387,479,434.14
  4. Step 4: Simplify right side
    717,504,295.14x = 383,665,055,271,331,840
  5. Step 5: Solve for x
    x = 383,665,055,271,331,840/717,504,295.14
  6. Step 6: Final answer
    x = 534,721,614.73

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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.