Home / 494,721,532.20-742,166,279.10-149,672,418.60

Finding the Fourth Proportional to 494,721,532.20, 742,166,279.10 and 149,672,418.60

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Solution

The fourth proportional to 494,721,532.20, 742,166,279.10 and 149,672,418.60 is: 224,534,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,721,532.20 : 742,166,279.10 = 149,672,418.60 : x
  2. Step 2: Convert to fraction form
    494,721,532.20/742,166,279.10 = 149,672,418.60/x
  3. Step 3: Cross multiply
    494,721,532.20x = 742,166,279.10 × 149,672,418.60
  4. Step 4: Simplify right side
    494,721,532.20x = 111,081,821,996,259,632
  5. Step 5: Solve for x
    x = 111,081,821,996,259,632/494,721,532.20
  6. Step 6: Final answer
    x = 224,534,035.34

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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.