Home / 28,659,834,940.23-39,550,691,678.66-15,799,192,370.49

Finding the Fourth Proportional to 28,659,834,940.23, 39,550,691,678.66 and 15,799,192,370.49

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Solution

The fourth proportional to 28,659,834,940.23, 39,550,691,678.66 and 15,799,192,370.49 is: 21,802,951,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659,834,940.23 : 39,550,691,678.66 = 15,799,192,370.49 : x
  2. Step 2: Convert to fraction form
    28,659,834,940.23/39,550,691,678.66 = 15,799,192,370.49/x
  3. Step 3: Cross multiply
    28,659,834,940.23x = 39,550,691,678.66 × 15,799,192,370.49
  4. Step 4: Simplify right side
    28,659,834,940.23x = 624,868,986,217,008,332,800
  5. Step 5: Solve for x
    x = 624,868,986,217,008,332,800/28,659,834,940.23
  6. Step 6: Final answer
    x = 21,802,951,326.14

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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.