Home / 198,542,188,998.90-273,987,847,710.44-108,321,703,738.74

Finding the Fourth Proportional to 198,542,188,998.90, 273,987,847,710.44 and 108,321,703,738.74

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Solution

The fourth proportional to 198,542,188,998.90, 273,987,847,710.44 and 108,321,703,738.74 is: 149,483,747,597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,542,188,998.90 : 273,987,847,710.44 = 108,321,703,738.74 : x
  2. Step 2: Convert to fraction form
    198,542,188,998.90/273,987,847,710.44 = 108,321,703,738.74/x
  3. Step 3: Cross multiply
    198,542,188,998.90x = 273,987,847,710.44 × 108,321,703,738.74
  4. Step 4: Simplify right side
    198,542,188,998.90x = 29,678,830,467,705,294,815,232
  5. Step 5: Solve for x
    x = 29,678,830,467,705,294,815,232/198,542,188,998.90
  6. Step 6: Final answer
    x = 149,483,747,597.19

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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.