Home / 7,729,976,309.32-10,667,508,346.74-4,296,996,987.76

Finding the Fourth Proportional to 7,729,976,309.32, 10,667,508,346.74 and 4,296,996,987.76

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Solution

The fourth proportional to 7,729,976,309.32, 10,667,508,346.74 and 4,296,996,987.76 is: 5,929,934,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,976,309.32 : 10,667,508,346.74 = 4,296,996,987.76 : x
  2. Step 2: Convert to fraction form
    7,729,976,309.32/10,667,508,346.74 = 4,296,996,987.76/x
  3. Step 3: Cross multiply
    7,729,976,309.32x = 10,667,508,346.74 × 4,296,996,987.76
  4. Step 4: Simplify right side
    7,729,976,309.32x = 45,838,251,232,846,438,400
  5. Step 5: Solve for x
    x = 45,838,251,232,846,438,400/7,729,976,309.32
  6. Step 6: Final answer
    x = 5,929,934,245.41

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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.