Home / 890,948,471.09-1,336,473,778.21-235,882,475.46

Finding the Fourth Proportional to 890,948,471.09, 1,336,473,778.21 and 235,882,475.46

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Solution

The fourth proportional to 890,948,471.09, 1,336,473,778.21 and 235,882,475.46 is: 353,837,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,948,471.09 : 1,336,473,778.21 = 235,882,475.46 : x
  2. Step 2: Convert to fraction form
    890,948,471.09/1,336,473,778.21 = 235,882,475.46/x
  3. Step 3: Cross multiply
    890,948,471.09x = 1,336,473,778.21 × 235,882,475.46
  4. Step 4: Simplify right side
    890,948,471.09x = 315,250,743,190,964,096
  5. Step 5: Solve for x
    x = 315,250,743,190,964,096/890,948,471.09
  6. Step 6: Final answer
    x = 353,837,234.61

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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.