Home / 785,321,333.76-1,177,854,414.72-370,797,358.08

Finding the Fourth Proportional to 785,321,333.76, 1,177,854,414.72 and 370,797,358.08

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Solution

The fourth proportional to 785,321,333.76, 1,177,854,414.72 and 370,797,358.08 is: 556,135,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,321,333.76 : 1,177,854,414.72 = 370,797,358.08 : x
  2. Step 2: Convert to fraction form
    785,321,333.76/1,177,854,414.72 = 370,797,358.08/x
  3. Step 3: Cross multiply
    785,321,333.76x = 1,177,854,414.72 × 370,797,358.08
  4. Step 4: Simplify right side
    785,321,333.76x = 436,745,305,181,040,640
  5. Step 5: Solve for x
    x = 436,745,305,181,040,640/785,321,333.76
  6. Step 6: Final answer
    x = 556,135,796.15

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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.