Home / 373,743,007.70-560,614,511.55-220,687,999.70

Finding the Fourth Proportional to 373,743,007.70, 560,614,511.55 and 220,687,999.70

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Solution

The fourth proportional to 373,743,007.70, 560,614,511.55 and 220,687,999.70 is: 331,031,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,743,007.70 : 560,614,511.55 = 220,687,999.70 : x
  2. Step 2: Convert to fraction form
    373,743,007.70/560,614,511.55 = 220,687,999.70/x
  3. Step 3: Cross multiply
    373,743,007.70x = 560,614,511.55 × 220,687,999.70
  4. Step 4: Simplify right side
    373,743,007.70x = 123,720,895,156,762,032
  5. Step 5: Solve for x
    x = 123,720,895,156,762,032/373,743,007.70
  6. Step 6: Final answer
    x = 331,031,999.55

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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.