Home / 20,661,917,771.94-28,513,376,601.39-11,629,670,645.22

Finding the Fourth Proportional to 20,661,917,771.94, 28,513,376,601.39 and 11,629,670,645.22

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Solution

The fourth proportional to 20,661,917,771.94, 28,513,376,601.39 and 11,629,670,645.22 is: 16,048,906,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,917,771.94 : 28,513,376,601.39 = 11,629,670,645.22 : x
  2. Step 2: Convert to fraction form
    20,661,917,771.94/28,513,376,601.39 = 11,629,670,645.22/x
  3. Step 3: Cross multiply
    20,661,917,771.94x = 28,513,376,601.39 × 11,629,670,645.22
  4. Step 4: Simplify right side
    20,661,917,771.94x = 331,601,178,857,288,040,448
  5. Step 5: Solve for x
    x = 331,601,178,857,288,040,448/20,661,917,771.94
  6. Step 6: Final answer
    x = 16,048,906,133.37

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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.