Home / 490,561,507.40-735,842,261.10-381,722,390.60

Finding the Fourth Proportional to 490,561,507.40, 735,842,261.10 and 381,722,390.60

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Solution

The fourth proportional to 490,561,507.40, 735,842,261.10 and 381,722,390.60 is: 572,583,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,561,507.40 : 735,842,261.10 = 381,722,390.60 : x
  2. Step 2: Convert to fraction form
    490,561,507.40/735,842,261.10 = 381,722,390.60/x
  3. Step 3: Cross multiply
    490,561,507.40x = 735,842,261.10 × 381,722,390.60
  4. Step 4: Simplify right side
    490,561,507.40x = 280,887,467,011,601,408
  5. Step 5: Solve for x
    x = 280,887,467,011,601,408/490,561,507.40
  6. Step 6: Final answer
    x = 572,583,585.90

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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.