Home / 279,936,467.70-419,904,701.55-222,115,686.90

Finding the Fourth Proportional to 279,936,467.70, 419,904,701.55 and 222,115,686.90

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Solution

The fourth proportional to 279,936,467.70, 419,904,701.55 and 222,115,686.90 is: 333,173,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,467.70 : 419,904,701.55 = 222,115,686.90 : x
  2. Step 2: Convert to fraction form
    279,936,467.70/419,904,701.55 = 222,115,686.90/x
  3. Step 3: Cross multiply
    279,936,467.70x = 419,904,701.55 × 222,115,686.90
  4. Step 4: Simplify right side
    279,936,467.70x = 93,267,421,217,317,744
  5. Step 5: Solve for x
    x = 93,267,421,217,317,744/279,936,467.70
  6. Step 6: Final answer
    x = 333,173,530.35

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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.