Home / 299,904,037.20-448,960,260.60-178,673,086.80

Finding the Fourth Proportional to 299,904,037.20, 448,960,260.60 and 178,673,086.80

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Solution

The fourth proportional to 299,904,037.20, 448,960,260.60 and 178,673,086.80 is: 267,475,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,904,037.20 : 448,960,260.60 = 178,673,086.80 : x
  2. Step 2: Convert to fraction form
    299,904,037.20/448,960,260.60 = 178,673,086.80/x
  3. Step 3: Cross multiply
    299,904,037.20x = 448,960,260.60 × 178,673,086.80
  4. Step 4: Simplify right side
    299,904,037.20x = 80,217,115,611,934,432
  5. Step 5: Solve for x
    x = 80,217,115,611,934,432/299,904,037.20
  6. Step 6: Final answer
    x = 267,475,944.51

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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.