Home / 5,176,819,146.72-7,765,555,614.48-2,188,324,973.76

Finding the Fourth Proportional to 5,176,819,146.72, 7,765,555,614.48 and 2,188,324,973.76

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Solution

The fourth proportional to 5,176,819,146.72, 7,765,555,614.48 and 2,188,324,973.76 is: 3,282,625,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,819,146.72 : 7,765,555,614.48 = 2,188,324,973.76 : x
  2. Step 2: Convert to fraction form
    5,176,819,146.72/7,765,555,614.48 = 2,188,324,973.76/x
  3. Step 3: Cross multiply
    5,176,819,146.72x = 7,765,555,614.48 × 2,188,324,973.76
  4. Step 4: Simplify right side
    5,176,819,146.72x = 16,993,559,286,288,766,976
  5. Step 5: Solve for x
    x = 16,993,559,286,288,766,976/5,176,819,146.72
  6. Step 6: Final answer
    x = 3,282,625,644.18

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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.