Home / 1,338,704,897.60-2,008,057,346.40-948,414,627.20

Finding the Fourth Proportional to 1,338,704,897.60, 2,008,057,346.40 and 948,414,627.20

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Solution

The fourth proportional to 1,338,704,897.60, 2,008,057,346.40 and 948,414,627.20 is: 1,422,621,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,704,897.60 : 2,008,057,346.40 = 948,414,627.20 : x
  2. Step 2: Convert to fraction form
    1,338,704,897.60/2,008,057,346.40 = 948,414,627.20/x
  3. Step 3: Cross multiply
    1,338,704,897.60x = 2,008,057,346.40 × 948,414,627.20
  4. Step 4: Simplify right side
    1,338,704,897.60x = 1,904,470,959,582,177,536
  5. Step 5: Solve for x
    x = 1,904,470,959,582,177,536/1,338,704,897.60
  6. Step 6: Final answer
    x = 1,422,621,940.80

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Double scale
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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.