Home / 1,214,785,008.20-1,822,177,512.30-801,536,486.60

Finding the Fourth Proportional to 1,214,785,008.20, 1,822,177,512.30 and 801,536,486.60

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Solution

The fourth proportional to 1,214,785,008.20, 1,822,177,512.30 and 801,536,486.60 is: 1,202,304,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,785,008.20 : 1,822,177,512.30 = 801,536,486.60 : x
  2. Step 2: Convert to fraction form
    1,214,785,008.20/1,822,177,512.30 = 801,536,486.60/x
  3. Step 3: Cross multiply
    1,214,785,008.20x = 1,822,177,512.30 × 801,536,486.60
  4. Step 4: Simplify right side
    1,214,785,008.20x = 1,460,541,761,170,470,400
  5. Step 5: Solve for x
    x = 1,460,541,761,170,470,400/1,214,785,008.20
  6. Step 6: Final answer
    x = 1,202,304,729.90

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Double scale
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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.