Home / 800,297,150.20-1,104,386,347.48-443,080,847.55

Finding the Fourth Proportional to 800,297,150.20, 1,104,386,347.48 and 443,080,847.55

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Solution

The fourth proportional to 800,297,150.20, 1,104,386,347.48 and 443,080,847.55 is: 611,438,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,297,150.20 : 1,104,386,347.48 = 443,080,847.55 : x
  2. Step 2: Convert to fraction form
    800,297,150.20/1,104,386,347.48 = 443,080,847.55/x
  3. Step 3: Cross multiply
    800,297,150.20x = 1,104,386,347.48 × 443,080,847.55
  4. Step 4: Simplify right side
    800,297,150.20x = 489,332,438,864,087,232
  5. Step 5: Solve for x
    x = 489,332,438,864,087,232/800,297,150.20
  6. Step 6: Final answer
    x = 611,438,437.26

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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.