Home / 1,338,705,079.60-2,008,057,619.40-948,414,809.20

Finding the Fourth Proportional to 1,338,705,079.60, 2,008,057,619.40 and 948,414,809.20

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Solution

The fourth proportional to 1,338,705,079.60, 2,008,057,619.40 and 948,414,809.20 is: 1,422,622,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,705,079.60 : 2,008,057,619.40 = 948,414,809.20 : x
  2. Step 2: Convert to fraction form
    1,338,705,079.60/2,008,057,619.40 = 948,414,809.20/x
  3. Step 3: Cross multiply
    1,338,705,079.60x = 2,008,057,619.40 × 948,414,809.20
  4. Step 4: Simplify right side
    1,338,705,079.60x = 1,904,471,583,965,857,280
  5. Step 5: Solve for x
    x = 1,904,471,583,965,857,280/1,338,705,079.60
  6. Step 6: Final answer
    x = 1,422,622,213.80

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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.