Home / 699,319,141.62-965,063,497.82-386,055,929.76

Finding the Fourth Proportional to 699,319,141.62, 965,063,497.82 and 386,055,929.76

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Solution

The fourth proportional to 699,319,141.62, 965,063,497.82 and 386,055,929.76 is: 532,758,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,319,141.62 : 965,063,497.82 = 386,055,929.76 : x
  2. Step 2: Convert to fraction form
    699,319,141.62/965,063,497.82 = 386,055,929.76/x
  3. Step 3: Cross multiply
    699,319,141.62x = 965,063,497.82 × 386,055,929.76
  4. Step 4: Simplify right side
    699,319,141.62x = 372,568,485,921,582,272
  5. Step 5: Solve for x
    x = 372,568,485,921,582,272/699,319,141.62
  6. Step 6: Final answer
    x = 532,758,884.68

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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.