Home / 800,297,147.70-1,104,386,344.03-443,080,845.04

Finding the Fourth Proportional to 800,297,147.70, 1,104,386,344.03 and 443,080,845.04

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Solution

The fourth proportional to 800,297,147.70, 1,104,386,344.03 and 443,080,845.04 is: 611,438,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,297,147.70 : 1,104,386,344.03 = 443,080,845.04 : x
  2. Step 2: Convert to fraction form
    800,297,147.70/1,104,386,344.03 = 443,080,845.04/x
  3. Step 3: Cross multiply
    800,297,147.70x = 1,104,386,344.03 × 443,080,845.04
  4. Step 4: Simplify right side
    800,297,147.70x = 489,332,434,564,591,552
  5. Step 5: Solve for x
    x = 489,332,434,564,591,552/800,297,147.70
  6. Step 6: Final answer
    x = 611,438,433.80

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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.