Home / 398,100,463.20-597,150,694.80-225,913,579.20

Finding the Fourth Proportional to 398,100,463.20, 597,150,694.80 and 225,913,579.20

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Solution

The fourth proportional to 398,100,463.20, 597,150,694.80 and 225,913,579.20 is: 338,870,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,100,463.20 : 597,150,694.80 = 225,913,579.20 : x
  2. Step 2: Convert to fraction form
    398,100,463.20/597,150,694.80 = 225,913,579.20/x
  3. Step 3: Cross multiply
    398,100,463.20x = 597,150,694.80 × 225,913,579.20
  4. Step 4: Simplify right side
    398,100,463.20x = 134,904,450,784,034,816
  5. Step 5: Solve for x
    x = 134,904,450,784,034,816/398,100,463.20
  6. Step 6: Final answer
    x = 338,870,368.80

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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.