Home / 498,008,215.22-747,270,853.65-203,119,679.66

Finding the Fourth Proportional to 498,008,215.22, 747,270,853.65 and 203,119,679.66

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Solution

The fourth proportional to 498,008,215.22, 747,270,853.65 and 203,119,679.66 is: 304,784,964.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,008,215.22 : 747,270,853.65 = 203,119,679.66 : x
  2. Step 2: Convert to fraction form
    498,008,215.22/747,270,853.65 = 203,119,679.66/x
  3. Step 3: Cross multiply
    498,008,215.22x = 747,270,853.65 × 203,119,679.66
  4. Step 4: Simplify right side
    498,008,215.22x = 151,785,416,412,642,720
  5. Step 5: Solve for x
    x = 151,785,416,412,642,720/498,008,215.22
  6. Step 6: Final answer
    x = 304,784,964.93

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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.