Home / 239,399,288,766.45-330,370,805,057.53-135,134,696,517.64

Finding the Fourth Proportional to 239,399,288,766.45, 330,370,805,057.53 and 135,134,696,517.64

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Solution

The fourth proportional to 239,399,288,766.45, 330,370,805,057.53 and 135,134,696,517.64 is: 186,485,760,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,399,288,766.45 : 330,370,805,057.53 = 135,134,696,517.64 : x
  2. Step 2: Convert to fraction form
    239,399,288,766.45/330,370,805,057.53 = 135,134,696,517.64/x
  3. Step 3: Cross multiply
    239,399,288,766.45x = 330,370,805,057.53 × 135,134,696,517.64
  4. Step 4: Simplify right side
    239,399,288,766.45x = 44,644,558,479,737,726,435,328
  5. Step 5: Solve for x
    x = 44,644,558,479,737,726,435,328/239,399,288,766.45
  6. Step 6: Final answer
    x = 186,485,760,712.90

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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.