Home / 257,792,198,561.86-355,737,204,692.30-142,042,480,724.41

Finding the Fourth Proportional to 257,792,198,561.86, 355,737,204,692.30 and 142,042,480,724.41

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Solution

The fourth proportional to 257,792,198,561.86, 355,737,204,692.30 and 142,042,480,724.41 is: 196,009,791,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,792,198,561.86 : 355,737,204,692.30 = 142,042,480,724.41 : x
  2. Step 2: Convert to fraction form
    257,792,198,561.86/355,737,204,692.30 = 142,042,480,724.41/x
  3. Step 3: Cross multiply
    257,792,198,561.86x = 355,737,204,692.30 × 142,042,480,724.41
  4. Step 4: Simplify right side
    257,792,198,561.86x = 50,529,795,040,461,514,080,256
  5. Step 5: Solve for x
    x = 50,529,795,040,461,514,080,256/257,792,198,561.86
  6. Step 6: Final answer
    x = 196,009,791,306.14

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1.5x scale

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.