Home / 699,339,782.75-965,063,599.83-386,067,270.06

Finding the Fourth Proportional to 699,339,782.75, 965,063,599.83 and 386,067,270.06

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Solution

The fourth proportional to 699,339,782.75, 965,063,599.83 and 386,067,270.06 is: 532,758,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,339,782.75 : 965,063,599.83 = 386,067,270.06 : x
  2. Step 2: Convert to fraction form
    699,339,782.75/965,063,599.83 = 386,067,270.06/x
  3. Step 3: Cross multiply
    699,339,782.75x = 965,063,599.83 × 386,067,270.06
  4. Step 4: Simplify right side
    699,339,782.75x = 372,579,469,420,644,416
  5. Step 5: Solve for x
    x = 372,579,469,420,644,416/699,339,782.75
  6. Step 6: Final answer
    x = 532,758,865.74

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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.