Home / 14,289,613,135.26-19,719,682,504.47-7,945,844,767.26

Finding the Fourth Proportional to 14,289,613,135.26, 19,719,682,504.47 and 7,945,844,767.26

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Solution

The fourth proportional to 14,289,613,135.26, 19,719,682,504.47 and 7,945,844,767.26 is: 10,965,274,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289,613,135.26 : 19,719,682,504.47 = 7,945,844,767.26 : x
  2. Step 2: Convert to fraction form
    14,289,613,135.26/19,719,682,504.47 = 7,945,844,767.26/x
  3. Step 3: Cross multiply
    14,289,613,135.26x = 19,719,682,504.47 × 7,945,844,767.26
  4. Step 4: Simplify right side
    14,289,613,135.26x = 156,689,536,040,171,536,384
  5. Step 5: Solve for x
    x = 156,689,536,040,171,536,384/14,289,613,135.26
  6. Step 6: Final answer
    x = 10,965,274,885.82

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Double scale
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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.