Home / 398,580,202.20-597,964,781.70-204,521,568.60

Finding the Fourth Proportional to 398,580,202.20, 597,964,781.70 and 204,521,568.60

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Solution

The fourth proportional to 398,580,202.20, 597,964,781.70 and 204,521,568.60 is: 306,830,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,580,202.20 : 597,964,781.70 = 204,521,568.60 : x
  2. Step 2: Convert to fraction form
    398,580,202.20/597,964,781.70 = 204,521,568.60/x
  3. Step 3: Cross multiply
    398,580,202.20x = 597,964,781.70 × 204,521,568.60
  4. Step 4: Simplify right side
    398,580,202.20x = 122,296,695,120,840,576
  5. Step 5: Solve for x
    x = 122,296,695,120,840,576/398,580,202.20
  6. Step 6: Final answer
    x = 306,830,832.15

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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.