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Finding the Fourth Proportional to 398,691,497.70, 598,037,246.55 and 244,838,672.10

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Solution

The fourth proportional to 398,691,497.70, 598,037,246.55 and 244,838,672.10 is: 367,258,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,691,497.70 : 598,037,246.55 = 244,838,672.10 : x
  2. Step 2: Convert to fraction form
    398,691,497.70/598,037,246.55 = 244,838,672.10/x
  3. Step 3: Cross multiply
    398,691,497.70x = 598,037,246.55 × 244,838,672.10
  4. Step 4: Simplify right side
    398,691,497.70x = 146,422,645,311,642,304
  5. Step 5: Solve for x
    x = 146,422,645,311,642,304/398,691,497.70
  6. Step 6: Final answer
    x = 367,258,008.15

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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.