Home / 20,128,595,025.97-27,777,545,329.10-11,096,154,868.71

Finding the Fourth Proportional to 20,128,595,025.97, 27,777,545,329.10 and 11,096,154,868.71

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Solution

The fourth proportional to 20,128,595,025.97, 27,777,545,329.10 and 11,096,154,868.71 is: 15,312,740,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128,595,025.97 : 27,777,545,329.10 = 11,096,154,868.71 : x
  2. Step 2: Convert to fraction form
    20,128,595,025.97/27,777,545,329.10 = 11,096,154,868.71/x
  3. Step 3: Cross multiply
    20,128,595,025.97x = 27,777,545,329.10 × 11,096,154,868.71
  4. Step 4: Simplify right side
    20,128,595,025.97x = 308,223,944,844,305,629,184
  5. Step 5: Solve for x
    x = 308,223,944,844,305,629,184/20,128,595,025.97
  6. Step 6: Final answer
    x = 15,312,740,131.47

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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.