Home / 7,220,467,634.30-9,962,753,219.51-4,168,591,028.57

Finding the Fourth Proportional to 7,220,467,634.30, 9,962,753,219.51 and 4,168,591,028.57

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Solution

The fourth proportional to 7,220,467,634.30, 9,962,753,219.51 and 4,168,591,028.57 is: 5,751,794,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,467,634.30 : 9,962,753,219.51 = 4,168,591,028.57 : x
  2. Step 2: Convert to fraction form
    7,220,467,634.30/9,962,753,219.51 = 4,168,591,028.57/x
  3. Step 3: Cross multiply
    7,220,467,634.30x = 9,962,753,219.51 × 4,168,591,028.57
  4. Step 4: Simplify right side
    7,220,467,634.30x = 41,530,643,690,703,740,928
  5. Step 5: Solve for x
    x = 41,530,643,690,703,740,928/7,220,467,634.30
  6. Step 6: Final answer
    x = 5,751,794,176.52

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Double scale
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1.5x scale

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.