Home / 279,936,209.70-419,904,314.55-197,523,051.30

Finding the Fourth Proportional to 279,936,209.70, 419,904,314.55 and 197,523,051.30

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Solution

The fourth proportional to 279,936,209.70, 419,904,314.55 and 197,523,051.30 is: 296,284,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,209.70 : 419,904,314.55 = 197,523,051.30 : x
  2. Step 2: Convert to fraction form
    279,936,209.70/419,904,314.55 = 197,523,051.30/x
  3. Step 3: Cross multiply
    279,936,209.70x = 419,904,314.55 × 197,523,051.30
  4. Step 4: Simplify right side
    279,936,209.70x = 82,940,781,463,950,992
  5. Step 5: Solve for x
    x = 82,940,781,463,950,992/279,936,209.70
  6. Step 6: Final answer
    x = 296,284,576.95

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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.