Home / 11,780,422,666.78-17,670,517,550.94-5,397,149,120.39

Finding the Fourth Proportional to 11,780,422,666.78, 17,670,517,550.94 and 5,397,149,120.39

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Solution

The fourth proportional to 11,780,422,666.78, 17,670,517,550.94 and 5,397,149,120.39 is: 8,095,670,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,422,666.78 : 17,670,517,550.94 = 5,397,149,120.39 : x
  2. Step 2: Convert to fraction form
    11,780,422,666.78/17,670,517,550.94 = 5,397,149,120.39/x
  3. Step 3: Cross multiply
    11,780,422,666.78x = 17,670,517,550.94 × 5,397,149,120.39
  4. Step 4: Simplify right side
    11,780,422,666.78x = 95,370,418,256,891,871,232
  5. Step 5: Solve for x
    x = 95,370,418,256,891,871,232/11,780,422,666.78
  6. Step 6: Final answer
    x = 8,095,670,329.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.