Home / 74,469,837,517.42-102,770,556,099.39-40,639,313,195.32

Finding the Fourth Proportional to 74,469,837,517.42, 102,770,556,099.39 and 40,639,313,195.32

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Solution

The fourth proportional to 74,469,837,517.42, 102,770,556,099.39 and 40,639,313,195.32 is: 56,083,442,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,469,837,517.42 : 102,770,556,099.39 = 40,639,313,195.32 : x
  2. Step 2: Convert to fraction form
    74,469,837,517.42/102,770,556,099.39 = 40,639,313,195.32/x
  3. Step 3: Cross multiply
    74,469,837,517.42x = 102,770,556,099.39 × 40,639,313,195.32
  4. Step 4: Simplify right side
    74,469,837,517.42x = 4,176,524,816,580,724,916,224
  5. Step 5: Solve for x
    x = 4,176,524,816,580,724,916,224/74,469,837,517.42
  6. Step 6: Final answer
    x = 56,083,442,045.97

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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.