Home / 320,668,608.30-481,002,912.45-274,752,105.90

Finding the Fourth Proportional to 320,668,608.30, 481,002,912.45 and 274,752,105.90

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Solution

The fourth proportional to 320,668,608.30, 481,002,912.45 and 274,752,105.90 is: 412,128,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,668,608.30 : 481,002,912.45 = 274,752,105.90 : x
  2. Step 2: Convert to fraction form
    320,668,608.30/481,002,912.45 = 274,752,105.90/x
  3. Step 3: Cross multiply
    320,668,608.30x = 481,002,912.45 × 274,752,105.90
  4. Step 4: Simplify right side
    320,668,608.30x = 132,156,563,139,670,816
  5. Step 5: Solve for x
    x = 132,156,563,139,670,816/320,668,608.30
  6. Step 6: Final answer
    x = 412,128,158.85

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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.