Home / 792,614,469.60-1,188,921,704.40-517,115,455.20

Finding the Fourth Proportional to 792,614,469.60, 1,188,921,704.40 and 517,115,455.20

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Solution

The fourth proportional to 792,614,469.60, 1,188,921,704.40 and 517,115,455.20 is: 775,673,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,614,469.60 : 1,188,921,704.40 = 517,115,455.20 : x
  2. Step 2: Convert to fraction form
    792,614,469.60/1,188,921,704.40 = 517,115,455.20/x
  3. Step 3: Cross multiply
    792,614,469.60x = 1,188,921,704.40 × 517,115,455.20
  4. Step 4: Simplify right side
    792,614,469.60x = 614,809,788,367,965,824
  5. Step 5: Solve for x
    x = 614,809,788,367,965,824/792,614,469.60
  6. Step 6: Final answer
    x = 775,673,182.80

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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.