Home / 398,604,839.20-597,907,258.80-244,752,013.60

Finding the Fourth Proportional to 398,604,839.20, 597,907,258.80 and 244,752,013.60

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Solution

The fourth proportional to 398,604,839.20, 597,907,258.80 and 244,752,013.60 is: 367,128,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,604,839.20 : 597,907,258.80 = 244,752,013.60 : x
  2. Step 2: Convert to fraction form
    398,604,839.20/597,907,258.80 = 244,752,013.60/x
  3. Step 3: Cross multiply
    398,604,839.20x = 597,907,258.80 × 244,752,013.60
  4. Step 4: Simplify right side
    398,604,839.20x = 146,339,005,537,356,320
  5. Step 5: Solve for x
    x = 146,339,005,537,356,320/398,604,839.20
  6. Step 6: Final answer
    x = 367,128,020.40

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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.