Home / 693,168,712.80-1,040,151,200.40-262,656,175.20

Finding the Fourth Proportional to 693,168,712.80, 1,040,151,200.40 and 262,656,175.20

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Solution

The fourth proportional to 693,168,712.80, 1,040,151,200.40 and 262,656,175.20 is: 394,135,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,168,712.80 : 1,040,151,200.40 = 262,656,175.20 : x
  2. Step 2: Convert to fraction form
    693,168,712.80/1,040,151,200.40 = 262,656,175.20/x
  3. Step 3: Cross multiply
    693,168,712.80x = 1,040,151,200.40 × 262,656,175.20
  4. Step 4: Simplify right side
    693,168,712.80x = 273,202,135,926,752,704
  5. Step 5: Solve for x
    x = 273,202,135,926,752,704/693,168,712.80
  6. Step 6: Final answer
    x = 394,135,123.07

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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.