Home / 800,819,582.20-1,200,791,470.63-635,882,592.06

Finding the Fourth Proportional to 800,819,582.20, 1,200,791,470.63 and 635,882,592.06

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Solution

The fourth proportional to 800,819,582.20, 1,200,791,470.63 and 635,882,592.06 is: 953,476,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,819,582.20 : 1,200,791,470.63 = 635,882,592.06 : x
  2. Step 2: Convert to fraction form
    800,819,582.20/1,200,791,470.63 = 635,882,592.06/x
  3. Step 3: Cross multiply
    800,819,582.20x = 1,200,791,470.63 × 635,882,592.06
  4. Step 4: Simplify right side
    800,819,582.20x = 763,562,392,867,743,744
  5. Step 5: Solve for x
    x = 763,562,392,867,743,744/800,819,582.20
  6. Step 6: Final answer
    x = 953,476,175.96

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1.5x scale

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.