Home / 275,425,613.40-413,138,420.10-259,641,815.70

Finding the Fourth Proportional to 275,425,613.40, 413,138,420.10 and 259,641,815.70

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Solution

The fourth proportional to 275,425,613.40, 413,138,420.10 and 259,641,815.70 is: 389,462,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,425,613.40 : 413,138,420.10 = 259,641,815.70 : x
  2. Step 2: Convert to fraction form
    275,425,613.40/413,138,420.10 = 259,641,815.70/x
  3. Step 3: Cross multiply
    275,425,613.40x = 413,138,420.10 × 259,641,815.70
  4. Step 4: Simplify right side
    275,425,613.40x = 107,268,009,530,193,376
  5. Step 5: Solve for x
    x = 107,268,009,530,193,376/275,425,613.40
  6. Step 6: Final answer
    x = 389,462,723.55

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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.