Home / 2,086,204,087.87-3,129,790,161.76-687,138,152.64

Finding the Fourth Proportional to 2,086,204,087.87, 3,129,790,161.76 and 687,138,152.64

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Solution

The fourth proportional to 2,086,204,087.87, 3,129,790,161.76 and 687,138,152.64 is: 1,030,866,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,204,087.87 : 3,129,790,161.76 = 687,138,152.64 : x
  2. Step 2: Convert to fraction form
    2,086,204,087.87/3,129,790,161.76 = 687,138,152.64/x
  3. Step 3: Cross multiply
    2,086,204,087.87x = 3,129,790,161.76 × 687,138,152.64
  4. Step 4: Simplify right side
    2,086,204,087.87x = 2,150,598,229,902,613,248
  5. Step 5: Solve for x
    x = 2,150,598,229,902,613,248/2,086,204,087.87
  6. Step 6: Final answer
    x = 1,030,866,655.09

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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.