Home / 483,420,188,372.25-667,121,933,974.45-263,693,668,860.67

Finding the Fourth Proportional to 483,420,188,372.25, 667,121,933,974.45 and 263,693,668,860.67

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Solution

The fourth proportional to 483,420,188,372.25, 667,121,933,974.45 and 263,693,668,860.67 is: 363,898,394,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,420,188,372.25 : 667,121,933,974.45 = 263,693,668,860.67 : x
  2. Step 2: Convert to fraction form
    483,420,188,372.25/667,121,933,974.45 = 263,693,668,860.67/x
  3. Step 3: Cross multiply
    483,420,188,372.25x = 667,121,933,974.45 × 263,693,668,860.67
  4. Step 4: Simplify right side
    483,420,188,372.25x = 175,915,830,347,148,359,106,560
  5. Step 5: Solve for x
    x = 175,915,830,347,148,359,106,560/483,420,188,372.25
  6. Step 6: Final answer
    x = 363,898,394,354.37

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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.