Home / 426,517,528.20-639,847,151.10-167,741,190.60

Finding the Fourth Proportional to 426,517,528.20, 639,847,151.10 and 167,741,190.60

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Solution

The fourth proportional to 426,517,528.20, 639,847,151.10 and 167,741,190.60 is: 251,639,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,517,528.20 : 639,847,151.10 = 167,741,190.60 : x
  2. Step 2: Convert to fraction form
    426,517,528.20/639,847,151.10 = 167,741,190.60/x
  3. Step 3: Cross multiply
    426,517,528.20x = 639,847,151.10 × 167,741,190.60
  4. Step 4: Simplify right side
    426,517,528.20x = 107,328,722,927,532,096
  5. Step 5: Solve for x
    x = 107,328,722,927,532,096/426,517,528.20
  6. Step 6: Final answer
    x = 251,639,653.31

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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.