Home / 279,936,404.10-419,904,606.15-254,406,240.90

Finding the Fourth Proportional to 279,936,404.10, 419,904,606.15 and 254,406,240.90

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Solution

The fourth proportional to 279,936,404.10, 419,904,606.15 and 254,406,240.90 is: 381,609,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,404.10 : 419,904,606.15 = 254,406,240.90 : x
  2. Step 2: Convert to fraction form
    279,936,404.10/419,904,606.15 = 254,406,240.90/x
  3. Step 3: Cross multiply
    279,936,404.10x = 419,904,606.15 × 254,406,240.90
  4. Step 4: Simplify right side
    279,936,404.10x = 106,826,352,387,216,512
  5. Step 5: Solve for x
    x = 106,826,352,387,216,512/279,936,404.10
  6. Step 6: Final answer
    x = 381,609,361.35

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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.