Home / 398,103,691.20-597,155,536.80-225,916,807.20

Finding the Fourth Proportional to 398,103,691.20, 597,155,536.80 and 225,916,807.20

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Solution

The fourth proportional to 398,103,691.20, 597,155,536.80 and 225,916,807.20 is: 338,875,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,103,691.20 : 597,155,536.80 = 225,916,807.20 : x
  2. Step 2: Convert to fraction form
    398,103,691.20/597,155,536.80 = 225,916,807.20/x
  3. Step 3: Cross multiply
    398,103,691.20x = 597,155,536.80 × 225,916,807.20
  4. Step 4: Simplify right side
    398,103,691.20x = 134,907,472,275,658,080
  5. Step 5: Solve for x
    x = 134,907,472,275,658,080/398,103,691.20
  6. Step 6: Final answer
    x = 338,875,210.80

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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.