Home / 257,792,198,814.58-355,737,205,041.42-142,042,480,976.66

Finding the Fourth Proportional to 257,792,198,814.58, 355,737,205,041.42 and 142,042,480,976.66

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Solution

The fourth proportional to 257,792,198,814.58, 355,737,205,041.42 and 142,042,480,976.66 is: 196,009,791,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,792,198,814.58 : 355,737,205,041.42 = 142,042,480,976.66 : x
  2. Step 2: Convert to fraction form
    257,792,198,814.58/355,737,205,041.42 = 142,042,480,976.66/x
  3. Step 3: Cross multiply
    257,792,198,814.58x = 355,737,205,041.42 × 142,042,480,976.66
  4. Step 4: Simplify right side
    257,792,198,814.58x = 50,529,795,179,786,100,801,536
  5. Step 5: Solve for x
    x = 50,529,795,179,786,100,801,536/257,792,198,814.58
  6. Step 6: Final answer
    x = 196,009,791,654.44

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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.