Home / 1,338,704,963.60-2,008,057,445.40-948,414,693.20

Finding the Fourth Proportional to 1,338,704,963.60, 2,008,057,445.40 and 948,414,693.20

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Solution

The fourth proportional to 1,338,704,963.60, 2,008,057,445.40 and 948,414,693.20 is: 1,422,622,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,704,963.60 : 2,008,057,445.40 = 948,414,693.20 : x
  2. Step 2: Convert to fraction form
    1,338,704,963.60/2,008,057,445.40 = 948,414,693.20/x
  3. Step 3: Cross multiply
    1,338,704,963.60x = 2,008,057,445.40 × 948,414,693.20
  4. Step 4: Simplify right side
    1,338,704,963.60x = 1,904,471,186,007,016,960
  5. Step 5: Solve for x
    x = 1,904,471,186,007,016,960/1,338,704,963.60
  6. Step 6: Final answer
    x = 1,422,622,039.80

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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.