Home / 398,103,670.45-597,155,505.68-225,916,786.45

Finding the Fourth Proportional to 398,103,670.45, 597,155,505.68 and 225,916,786.45

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Solution

The fourth proportional to 398,103,670.45, 597,155,505.68 and 225,916,786.45 is: 338,875,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,103,670.45 : 597,155,505.68 = 225,916,786.45 : x
  2. Step 2: Convert to fraction form
    398,103,670.45/597,155,505.68 = 225,916,786.45/x
  3. Step 3: Cross multiply
    398,103,670.45x = 597,155,505.68 × 225,916,786.45
  4. Step 4: Simplify right side
    398,103,670.45x = 134,907,452,854,150,304
  5. Step 5: Solve for x
    x = 134,907,452,854,150,304/398,103,670.45
  6. Step 6: Final answer
    x = 338,875,179.68

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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.