Home / 38,433,851,060.40-57,659,469,640.20-20,747,149,141.32

Finding the Fourth Proportional to 38,433,851,060.40, 57,659,469,640.20 and 20,747,149,141.32

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Solution

The fourth proportional to 38,433,851,060.40, 57,659,469,640.20 and 20,747,149,141.32 is: 31,125,416,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,433,851,060.40 : 57,659,469,640.20 = 20,747,149,141.32 : x
  2. Step 2: Convert to fraction form
    38,433,851,060.40/57,659,469,640.20 = 20,747,149,141.32/x
  3. Step 3: Cross multiply
    38,433,851,060.40x = 57,659,469,640.20 × 20,747,149,141.32
  4. Step 4: Simplify right side
    38,433,851,060.40x = 1,196,269,616,034,641,870,848
  5. Step 5: Solve for x
    x = 1,196,269,616,034,641,870,848/38,433,851,060.40
  6. Step 6: Final answer
    x = 31,125,416,345.99

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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.