Home / 490,561,475.40-735,842,213.10-381,722,358.60

Finding the Fourth Proportional to 490,561,475.40, 735,842,213.10 and 381,722,358.60

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Solution

The fourth proportional to 490,561,475.40, 735,842,213.10 and 381,722,358.60 is: 572,583,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,561,475.40 : 735,842,213.10 = 381,722,358.60 : x
  2. Step 2: Convert to fraction form
    490,561,475.40/735,842,213.10 = 381,722,358.60/x
  3. Step 3: Cross multiply
    490,561,475.40x = 735,842,213.10 × 381,722,358.60
  4. Step 4: Simplify right side
    490,561,475.40x = 280,887,425,141,975,840
  5. Step 5: Solve for x
    x = 280,887,425,141,975,840/490,561,475.40
  6. Step 6: Final answer
    x = 572,583,537.90

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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.