Home / 245,659,391,999.70-368,489,087,999.55-113,419,865,087.70

Finding the Fourth Proportional to 245,659,391,999.70, 368,489,087,999.55 and 113,419,865,087.70

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Solution

The fourth proportional to 245,659,391,999.70, 368,489,087,999.55 and 113,419,865,087.70 is: 170,129,797,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,659,391,999.70 : 368,489,087,999.55 = 113,419,865,087.70 : x
  2. Step 2: Convert to fraction form
    245,659,391,999.70/368,489,087,999.55 = 113,419,865,087.70/x
  3. Step 3: Cross multiply
    245,659,391,999.70x = 368,489,087,999.55 × 113,419,865,087.70
  4. Step 4: Simplify right side
    245,659,391,999.70x = 41,793,982,647,198,575,230,976
  5. Step 5: Solve for x
    x = 41,793,982,647,198,575,230,976/245,659,391,999.70
  6. Step 6: Final answer
    x = 170,129,797,631.55

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1.5x scale

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.