Home / 398,572,832.20-597,859,248.30-244,720,006.60

Finding the Fourth Proportional to 398,572,832.20, 597,859,248.30 and 244,720,006.60

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Solution

The fourth proportional to 398,572,832.20, 597,859,248.30 and 244,720,006.60 is: 367,080,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,572,832.20 : 597,859,248.30 = 244,720,006.60 : x
  2. Step 2: Convert to fraction form
    398,572,832.20/597,859,248.30 = 244,720,006.60/x
  3. Step 3: Cross multiply
    398,572,832.20x = 597,859,248.30 × 244,720,006.60
  4. Step 4: Simplify right side
    398,572,832.20x = 146,308,119,189,847,008
  5. Step 5: Solve for x
    x = 146,308,119,189,847,008/398,572,832.20
  6. Step 6: Final answer
    x = 367,080,009.90

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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.