Home / 313,672,023.20-470,508,034.80-299,563,248.80

Finding the Fourth Proportional to 313,672,023.20, 470,508,034.80 and 299,563,248.80

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Solution

The fourth proportional to 313,672,023.20, 470,508,034.80 and 299,563,248.80 is: 449,344,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,672,023.20 : 470,508,034.80 = 299,563,248.80 : x
  2. Step 2: Convert to fraction form
    313,672,023.20/470,508,034.80 = 299,563,248.80/x
  3. Step 3: Cross multiply
    313,672,023.20x = 470,508,034.80 × 299,563,248.80
  4. Step 4: Simplify right side
    313,672,023.20x = 140,946,915,491,191,472
  5. Step 5: Solve for x
    x = 140,946,915,491,191,472/313,672,023.20
  6. Step 6: Final answer
    x = 449,344,873.20

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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.