Home / 1,469,519,572.80-2,201,256,050.40-742,917,691.20

Finding the Fourth Proportional to 1,469,519,572.80, 2,201,256,050.40 and 742,917,691.20

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Solution

The fourth proportional to 1,469,519,572.80, 2,201,256,050.40 and 742,917,691.20 is: 1,112,848,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,519,572.80 : 2,201,256,050.40 = 742,917,691.20 : x
  2. Step 2: Convert to fraction form
    1,469,519,572.80/2,201,256,050.40 = 742,917,691.20/x
  3. Step 3: Cross multiply
    1,469,519,572.80x = 2,201,256,050.40 × 742,917,691.20
  4. Step 4: Simplify right side
    1,469,519,572.80x = 1,635,352,062,703,198,976
  5. Step 5: Solve for x
    x = 1,635,352,062,703,198,976/1,469,519,572.80
  6. Step 6: Final answer
    x = 1,112,848,098.78

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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.