Home / 20,128,719,325.38-27,777,716,570.23-11,096,279,002.05

Finding the Fourth Proportional to 20,128,719,325.38, 27,777,716,570.23 and 11,096,279,002.05

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Solution

The fourth proportional to 20,128,719,325.38, 27,777,716,570.23 and 11,096,279,002.05 is: 15,312,911,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128,719,325.38 : 27,777,716,570.23 = 11,096,279,002.05 : x
  2. Step 2: Convert to fraction form
    20,128,719,325.38/27,777,716,570.23 = 11,096,279,002.05/x
  3. Step 3: Cross multiply
    20,128,719,325.38x = 27,777,716,570.23 × 11,096,279,002.05
  4. Step 4: Simplify right side
    20,128,719,325.38x = 308,229,293,103,139,454,976
  5. Step 5: Solve for x
    x = 308,229,293,103,139,454,976/20,128,719,325.38
  6. Step 6: Final answer
    x = 15,312,911,274.71

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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.