Home / 257,792,198,561.10-355,737,204,691.26-142,042,480,723.66

Finding the Fourth Proportional to 257,792,198,561.10, 355,737,204,691.26 and 142,042,480,723.66

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Solution

The fourth proportional to 257,792,198,561.10, 355,737,204,691.26 and 142,042,480,723.66 is: 196,009,791,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,792,198,561.10 : 355,737,204,691.26 = 142,042,480,723.66 : x
  2. Step 2: Convert to fraction form
    257,792,198,561.10/355,737,204,691.26 = 142,042,480,723.66/x
  3. Step 3: Cross multiply
    257,792,198,561.10x = 355,737,204,691.26 × 142,042,480,723.66
  4. Step 4: Simplify right side
    257,792,198,561.10x = 50,529,795,040,046,991,015,936
  5. Step 5: Solve for x
    x = 50,529,795,040,046,991,015,936/257,792,198,561.10
  6. Step 6: Final answer
    x = 196,009,791,305.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.