Home / 398,664,007.20-597,996,010.80-244,811,181.60

Finding the Fourth Proportional to 398,664,007.20, 597,996,010.80 and 244,811,181.60

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Solution

The fourth proportional to 398,664,007.20, 597,996,010.80 and 244,811,181.60 is: 367,216,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,664,007.20 : 597,996,010.80 = 244,811,181.60 : x
  2. Step 2: Convert to fraction form
    398,664,007.20/597,996,010.80 = 244,811,181.60/x
  3. Step 3: Cross multiply
    398,664,007.20x = 597,996,010.80 × 244,811,181.60
  4. Step 4: Simplify right side
    398,664,007.20x = 146,396,109,996,034,336
  5. Step 5: Solve for x
    x = 146,396,109,996,034,336/398,664,007.20
  6. Step 6: Final answer
    x = 367,216,772.40

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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.