Home / 299,073,731.40-447,854,769.90-238,607,555.40

Finding the Fourth Proportional to 299,073,731.40, 447,854,769.90 and 238,607,555.40

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Solution

The fourth proportional to 299,073,731.40, 447,854,769.90 and 238,607,555.40 is: 357,308,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,073,731.40 : 447,854,769.90 = 238,607,555.40 : x
  2. Step 2: Convert to fraction form
    299,073,731.40/447,854,769.90 = 238,607,555.40/x
  3. Step 3: Cross multiply
    299,073,731.40x = 447,854,769.90 × 238,607,555.40
  4. Step 4: Simplify right side
    299,073,731.40x = 106,861,531,820,068,496
  5. Step 5: Solve for x
    x = 106,861,531,820,068,496/299,073,731.40
  6. Step 6: Final answer
    x = 357,308,317.65

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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.