Home / 819,785,985,234.20-1,131,340,221,348.40-453,980,188,522.88

Finding the Fourth Proportional to 819,785,985,234.20, 1,131,340,221,348.40 and 453,980,188,522.88

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Solution

The fourth proportional to 819,785,985,234.20, 1,131,340,221,348.40 and 453,980,188,522.88 is: 626,512,353,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,785,985,234.20 : 1,131,340,221,348.40 = 453,980,188,522.88 : x
  2. Step 2: Convert to fraction form
    819,785,985,234.20/1,131,340,221,348.40 = 453,980,188,522.88/x
  3. Step 3: Cross multiply
    819,785,985,234.20x = 1,131,340,221,348.40 × 453,980,188,522.88
  4. Step 4: Simplify right side
    819,785,985,234.20x = 513,606,046,971,263,350,472,704
  5. Step 5: Solve for x
    x = 513,606,046,971,263,350,472,704/819,785,985,234.20
  6. Step 6: Final answer
    x = 626,512,353,494.96

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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.