Home / 2,086,204,102.81-3,129,790,184.13-687,138,167.54

Finding the Fourth Proportional to 2,086,204,102.81, 3,129,790,184.13 and 687,138,167.54

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Solution

The fourth proportional to 2,086,204,102.81, 3,129,790,184.13 and 687,138,167.54 is: 1,030,866,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,204,102.81 : 3,129,790,184.13 = 687,138,167.54 : x
  2. Step 2: Convert to fraction form
    2,086,204,102.81/3,129,790,184.13 = 687,138,167.54/x
  3. Step 3: Cross multiply
    2,086,204,102.81x = 3,129,790,184.13 × 687,138,167.54
  4. Step 4: Simplify right side
    2,086,204,102.81x = 2,150,598,291,907,767,296
  5. Step 5: Solve for x
    x = 2,150,598,291,907,767,296/2,086,204,102.81
  6. Step 6: Final answer
    x = 1,030,866,677.43

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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.