Home / 279,936,311.60-419,904,467.40-254,406,148.40

Finding the Fourth Proportional to 279,936,311.60, 419,904,467.40 and 254,406,148.40

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Solution

The fourth proportional to 279,936,311.60, 419,904,467.40 and 254,406,148.40 is: 381,609,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,311.60 : 419,904,467.40 = 254,406,148.40 : x
  2. Step 2: Convert to fraction form
    279,936,311.60/419,904,467.40 = 254,406,148.40/x
  3. Step 3: Cross multiply
    279,936,311.60x = 419,904,467.40 × 254,406,148.40
  4. Step 4: Simplify right side
    279,936,311.60x = 106,826,278,247,187,360
  5. Step 5: Solve for x
    x = 106,826,278,247,187,360/279,936,311.60
  6. Step 6: Final answer
    x = 381,609,222.60

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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.