Home / 398,051,998.20-597,077,997.30-225,865,114.20

Finding the Fourth Proportional to 398,051,998.20, 597,077,997.30 and 225,865,114.20

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Solution

The fourth proportional to 398,051,998.20, 597,077,997.30 and 225,865,114.20 is: 338,797,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,051,998.20 : 597,077,997.30 = 225,865,114.20 : x
  2. Step 2: Convert to fraction form
    398,051,998.20/597,077,997.30 = 225,865,114.20/x
  3. Step 3: Cross multiply
    398,051,998.20x = 597,077,997.30 × 225,865,114.20
  4. Step 4: Simplify right side
    398,051,998.20x = 134,859,090,046,471,776
  5. Step 5: Solve for x
    x = 134,859,090,046,471,776/398,051,998.20
  6. Step 6: Final answer
    x = 338,797,671.30

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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.