Home / 394,088,660.60-591,132,990.90-248,969,838.20

Finding the Fourth Proportional to 394,088,660.60, 591,132,990.90 and 248,969,838.20

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Solution

The fourth proportional to 394,088,660.60, 591,132,990.90 and 248,969,838.20 is: 373,454,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,088,660.60 : 591,132,990.90 = 248,969,838.20 : x
  2. Step 2: Convert to fraction form
    394,088,660.60/591,132,990.90 = 248,969,838.20/x
  3. Step 3: Cross multiply
    394,088,660.60x = 591,132,990.90 × 248,969,838.20
  4. Step 4: Simplify right side
    394,088,660.60x = 147,174,285,099,055,072
  5. Step 5: Solve for x
    x = 147,174,285,099,055,072/394,088,660.60
  6. Step 6: Final answer
    x = 373,454,757.30

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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.