Home / 12,395,722,709.80-18,593,584,064.70-11,913,599,434.60

Finding the Fourth Proportional to 12,395,722,709.80, 18,593,584,064.70 and 11,913,599,434.60

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Solution

The fourth proportional to 12,395,722,709.80, 18,593,584,064.70 and 11,913,599,434.60 is: 17,870,399,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,722,709.80 : 18,593,584,064.70 = 11,913,599,434.60 : x
  2. Step 2: Convert to fraction form
    12,395,722,709.80/18,593,584,064.70 = 11,913,599,434.60/x
  3. Step 3: Cross multiply
    12,395,722,709.80x = 18,593,584,064.70 × 11,913,599,434.60
  4. Step 4: Simplify right side
    12,395,722,709.80x = 221,516,512,600,397,512,704
  5. Step 5: Solve for x
    x = 221,516,512,600,397,512,704/12,395,722,709.80
  6. Step 6: Final answer
    x = 17,870,399,151.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.