Home / 279,936,286.60-419,904,429.90-252,726,507.40

Finding the Fourth Proportional to 279,936,286.60, 419,904,429.90 and 252,726,507.40

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Solution

The fourth proportional to 279,936,286.60, 419,904,429.90 and 252,726,507.40 is: 379,089,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,286.60 : 419,904,429.90 = 252,726,507.40 : x
  2. Step 2: Convert to fraction form
    279,936,286.60/419,904,429.90 = 252,726,507.40/x
  3. Step 3: Cross multiply
    279,936,286.60x = 419,904,429.90 × 252,726,507.40
  4. Step 4: Simplify right side
    279,936,286.60x = 106,120,980,010,415,120
  5. Step 5: Solve for x
    x = 106,120,980,010,415,120/279,936,286.60
  6. Step 6: Final answer
    x = 379,089,761.10

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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.