Home / 323,977,251.40-485,965,877.10-259,407,169.90

Finding the Fourth Proportional to 323,977,251.40, 485,965,877.10 and 259,407,169.90

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Solution

The fourth proportional to 323,977,251.40, 485,965,877.10 and 259,407,169.90 is: 389,110,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,977,251.40 : 485,965,877.10 = 259,407,169.90 : x
  2. Step 2: Convert to fraction form
    323,977,251.40/485,965,877.10 = 259,407,169.90/x
  3. Step 3: Cross multiply
    323,977,251.40x = 485,965,877.10 × 259,407,169.90
  4. Step 4: Simplify right side
    323,977,251.40x = 126,063,032,846,482,224
  5. Step 5: Solve for x
    x = 126,063,032,846,482,224/323,977,251.40
  6. Step 6: Final answer
    x = 389,110,754.85

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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.