Home / 699,319,141.24-965,063,497.30-386,055,929.38

Finding the Fourth Proportional to 699,319,141.24, 965,063,497.30 and 386,055,929.38

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Solution

The fourth proportional to 699,319,141.24, 965,063,497.30 and 386,055,929.38 is: 532,758,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,319,141.24 : 965,063,497.30 = 386,055,929.38 : x
  2. Step 2: Convert to fraction form
    699,319,141.24/965,063,497.30 = 386,055,929.38/x
  3. Step 3: Cross multiply
    699,319,141.24x = 965,063,497.30 × 386,055,929.38
  4. Step 4: Simplify right side
    699,319,141.24x = 372,568,485,360,864,576
  5. Step 5: Solve for x
    x = 372,568,485,360,864,576/699,319,141.24
  6. Step 6: Final answer
    x = 532,758,884.16

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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.