Home / 669,040,229.20-1,003,560,343.80-523,921,406.80

Finding the Fourth Proportional to 669,040,229.20, 1,003,560,343.80 and 523,921,406.80

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Solution

The fourth proportional to 669,040,229.20, 1,003,560,343.80 and 523,921,406.80 is: 785,882,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,040,229.20 : 1,003,560,343.80 = 523,921,406.80 : x
  2. Step 2: Convert to fraction form
    669,040,229.20/1,003,560,343.80 = 523,921,406.80/x
  3. Step 3: Cross multiply
    669,040,229.20x = 1,003,560,343.80 × 523,921,406.80
  4. Step 4: Simplify right side
    669,040,229.20x = 525,786,747,132,387,648
  5. Step 5: Solve for x
    x = 525,786,747,132,387,648/669,040,229.20
  6. Step 6: Final answer
    x = 785,882,110.20

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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.