Home / 259,428,494,758.82-389,201,420,223.04-140,043,256,805.04

Finding the Fourth Proportional to 259,428,494,758.82, 389,201,420,223.04 and 140,043,256,805.04

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Solution

The fourth proportional to 259,428,494,758.82, 389,201,420,223.04 and 140,043,256,805.04 is: 210,096,560,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,428,494,758.82 : 389,201,420,223.04 = 140,043,256,805.04 : x
  2. Step 2: Convert to fraction form
    259,428,494,758.82/389,201,420,223.04 = 140,043,256,805.04/x
  3. Step 3: Cross multiply
    259,428,494,758.82x = 389,201,420,223.04 × 140,043,256,805.04
  4. Step 4: Simplify right side
    259,428,494,758.82x = 54,505,034,441,181,475,373,056
  5. Step 5: Solve for x
    x = 54,505,034,441,181,475,373,056/259,428,494,758.82
  6. Step 6: Final answer
    x = 210,096,560,487.13

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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.