Home / 699,339,795.50-965,063,617.43-386,067,282.81

Finding the Fourth Proportional to 699,339,795.50, 965,063,617.43 and 386,067,282.81

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Solution

The fourth proportional to 699,339,795.50, 965,063,617.43 and 386,067,282.81 is: 532,758,883.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,339,795.50 : 965,063,617.43 = 386,067,282.81 : x
  2. Step 2: Convert to fraction form
    699,339,795.50/965,063,617.43 = 386,067,282.81/x
  3. Step 3: Cross multiply
    699,339,795.50x = 965,063,617.43 × 386,067,282.81
  4. Step 4: Simplify right side
    699,339,795.50x = 372,579,488,518,059,072
  5. Step 5: Solve for x
    x = 372,579,488,518,059,072/699,339,795.50
  6. Step 6: Final answer
    x = 532,758,883.33

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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.