Home / 800,297,105.46-1,104,386,285.72-443,080,802.75

Finding the Fourth Proportional to 800,297,105.46, 1,104,386,285.72 and 443,080,802.75

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Solution

The fourth proportional to 800,297,105.46, 1,104,386,285.72 and 443,080,802.75 is: 611,438,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,297,105.46 : 1,104,386,285.72 = 443,080,802.75 : x
  2. Step 2: Convert to fraction form
    800,297,105.46/1,104,386,285.72 = 443,080,802.75/x
  3. Step 3: Cross multiply
    800,297,105.46x = 1,104,386,285.72 × 443,080,802.75
  4. Step 4: Simplify right side
    800,297,105.46x = 489,332,362,022,908,480
  5. Step 5: Solve for x
    x = 489,332,362,022,908,480/800,297,105.46
  6. Step 6: Final answer
    x = 611,438,375.43

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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.