Home / 18,188,542,917.36-25,100,228,125.44-10,267,946,253.36

Finding the Fourth Proportional to 18,188,542,917.36, 25,100,228,125.44 and 10,267,946,253.36

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Solution

The fourth proportional to 18,188,542,917.36, 25,100,228,125.44 and 10,267,946,253.36 is: 14,169,787,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188,542,917.36 : 25,100,228,125.44 = 10,267,946,253.36 : x
  2. Step 2: Convert to fraction form
    18,188,542,917.36/25,100,228,125.44 = 10,267,946,253.36/x
  3. Step 3: Cross multiply
    18,188,542,917.36x = 25,100,228,125.44 × 10,267,946,253.36
  4. Step 4: Simplify right side
    18,188,542,917.36x = 257,727,793,339,092,959,232
  5. Step 5: Solve for x
    x = 257,727,793,339,092,959,232/18,188,542,917.36
  6. Step 6: Final answer
    x = 14,169,787,789.49

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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.