Home / 580,126,507.88-871,047,402.78-387,239,682.92

Finding the Fourth Proportional to 580,126,507.88, 871,047,402.78 and 387,239,682.92

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Solution

The fourth proportional to 580,126,507.88, 871,047,402.78 and 387,239,682.92 is: 581,432,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,126,507.88 : 871,047,402.78 = 387,239,682.92 : x
  2. Step 2: Convert to fraction form
    580,126,507.88/871,047,402.78 = 387,239,682.92/x
  3. Step 3: Cross multiply
    580,126,507.88x = 871,047,402.78 × 387,239,682.92
  4. Step 4: Simplify right side
    580,126,507.88x = 337,304,120,060,816,704
  5. Step 5: Solve for x
    x = 337,304,120,060,816,704/580,126,507.88
  6. Step 6: Final answer
    x = 581,432,007.47

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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.