Home / 279,936,280.60-419,904,420.90-159,003,928.60

Finding the Fourth Proportional to 279,936,280.60, 419,904,420.90 and 159,003,928.60

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Solution

The fourth proportional to 279,936,280.60, 419,904,420.90 and 159,003,928.60 is: 238,505,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,280.60 : 419,904,420.90 = 159,003,928.60 : x
  2. Step 2: Convert to fraction form
    279,936,280.60/419,904,420.90 = 159,003,928.60/x
  3. Step 3: Cross multiply
    279,936,280.60x = 419,904,420.90 × 159,003,928.60
  4. Step 4: Simplify right side
    279,936,280.60x = 66,766,452,559,607,944
  5. Step 5: Solve for x
    x = 66,766,452,559,607,944/279,936,280.60
  6. Step 6: Final answer
    x = 238,505,892.90

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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.