Home / 829,976,753.28-1,244,198,993.79-415,092,549.78

Finding the Fourth Proportional to 829,976,753.28, 1,244,198,993.79 and 415,092,549.78

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Solution

The fourth proportional to 829,976,753.28, 1,244,198,993.79 and 415,092,549.78 is: 622,255,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,976,753.28 : 1,244,198,993.79 = 415,092,549.78 : x
  2. Step 2: Convert to fraction form
    829,976,753.28/1,244,198,993.79 = 415,092,549.78/x
  3. Step 3: Cross multiply
    829,976,753.28x = 1,244,198,993.79 × 415,092,549.78
  4. Step 4: Simplify right side
    829,976,753.28x = 516,457,732,766,001,408
  5. Step 5: Solve for x
    x = 516,457,732,766,001,408/829,976,753.28
  6. Step 6: Final answer
    x = 622,255,660.44

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1.5x scale

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.