Home / 13,428,338,619.24-18,531,164,906.24-7,324,824,188.40

Finding the Fourth Proportional to 13,428,338,619.24, 18,531,164,906.24 and 7,324,824,188.40

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Solution

The fourth proportional to 13,428,338,619.24, 18,531,164,906.24 and 7,324,824,188.40 is: 10,108,288,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,338,619.24 : 18,531,164,906.24 = 7,324,824,188.40 : x
  2. Step 2: Convert to fraction form
    13,428,338,619.24/18,531,164,906.24 = 7,324,824,188.40/x
  3. Step 3: Cross multiply
    13,428,338,619.24x = 18,531,164,906.24 × 7,324,824,188.40
  4. Step 4: Simplify right side
    13,428,338,619.24x = 135,737,524,944,455,974,912
  5. Step 5: Solve for x
    x = 135,737,524,944,455,974,912/13,428,338,619.24
  6. Step 6: Final answer
    x = 10,108,288,805.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.