Home / 7,621,517,205.73-11,428,350,452.38-3,420,868,910.37

Finding the Fourth Proportional to 7,621,517,205.73, 11,428,350,452.38 and 3,420,868,910.37

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Solution

The fourth proportional to 7,621,517,205.73, 11,428,350,452.38 and 3,420,868,910.37 is: 5,129,541,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,517,205.73 : 11,428,350,452.38 = 3,420,868,910.37 : x
  2. Step 2: Convert to fraction form
    7,621,517,205.73/11,428,350,452.38 = 3,420,868,910.37/x
  3. Step 3: Cross multiply
    7,621,517,205.73x = 11,428,350,452.38 × 3,420,868,910.37
  4. Step 4: Simplify right side
    7,621,517,205.73x = 39,094,888,759,359,660,032
  5. Step 5: Solve for x
    x = 39,094,888,759,359,660,032/7,621,517,205.73
  6. Step 6: Final answer
    x = 5,129,541,494.70

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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.