Home / 1,250,979,651.42-1,876,578,534.92-410,370,357.70

Finding the Fourth Proportional to 1,250,979,651.42, 1,876,578,534.92 and 410,370,357.70

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Solution

The fourth proportional to 1,250,979,651.42, 1,876,578,534.92 and 410,370,357.70 is: 615,591,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,979,651.42 : 1,876,578,534.92 = 410,370,357.70 : x
  2. Step 2: Convert to fraction form
    1,250,979,651.42/1,876,578,534.92 = 410,370,357.70/x
  3. Step 3: Cross multiply
    1,250,979,651.42x = 1,876,578,534.92 × 410,370,357.70
  4. Step 4: Simplify right side
    1,250,979,651.42x = 770,092,204,627,262,336
  5. Step 5: Solve for x
    x = 770,092,204,627,262,336/1,250,979,651.42
  6. Step 6: Final answer
    x = 615,591,311.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.