Home / 699,319,140.62-965,063,496.44-386,055,928.76

Finding the Fourth Proportional to 699,319,140.62, 965,063,496.44 and 386,055,928.76

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Solution

The fourth proportional to 699,319,140.62, 965,063,496.44 and 386,055,928.76 is: 532,758,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,319,140.62 : 965,063,496.44 = 386,055,928.76 : x
  2. Step 2: Convert to fraction form
    699,319,140.62/965,063,496.44 = 386,055,928.76/x
  3. Step 3: Cross multiply
    699,319,140.62x = 965,063,496.44 × 386,055,928.76
  4. Step 4: Simplify right side
    699,319,140.62x = 372,568,484,423,761,536
  5. Step 5: Solve for x
    x = 372,568,484,423,761,536/699,319,140.62
  6. Step 6: Final answer
    x = 532,758,883.30

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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.