Home / 279,936,003.40-419,904,005.10-247,624,390.60

Finding the Fourth Proportional to 279,936,003.40, 419,904,005.10 and 247,624,390.60

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Solution

The fourth proportional to 279,936,003.40, 419,904,005.10 and 247,624,390.60 is: 371,436,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,003.40 : 419,904,005.10 = 247,624,390.60 : x
  2. Step 2: Convert to fraction form
    279,936,003.40/419,904,005.10 = 247,624,390.60/x
  3. Step 3: Cross multiply
    279,936,003.40x = 419,904,005.10 × 247,624,390.60
  4. Step 4: Simplify right side
    279,936,003.40x = 103,978,473,373,386,800
  5. Step 5: Solve for x
    x = 103,978,473,373,386,800/279,936,003.40
  6. Step 6: Final answer
    x = 371,436,585.90

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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.