Home / 888,157,517.47-1,225,608,816.94-486,193,505.81

Finding the Fourth Proportional to 888,157,517.47, 1,225,608,816.94 and 486,193,505.81

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Solution

The fourth proportional to 888,157,517.47, 1,225,608,816.94 and 486,193,505.81 is: 670,920,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,157,517.47 : 1,225,608,816.94 = 486,193,505.81 : x
  2. Step 2: Convert to fraction form
    888,157,517.47/1,225,608,816.94 = 486,193,505.81/x
  3. Step 3: Cross multiply
    888,157,517.47x = 1,225,608,816.94 × 486,193,505.81
  4. Step 4: Simplify right side
    888,157,517.47x = 595,883,047,452,361,600
  5. Step 5: Solve for x
    x = 595,883,047,452,361,600/888,157,517.47
  6. Step 6: Final answer
    x = 670,920,456.94

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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.