Home / 7,729,976,310.32-10,667,508,348.12-4,296,996,988.76

Finding the Fourth Proportional to 7,729,976,310.32, 10,667,508,348.12 and 4,296,996,988.76

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Solution

The fourth proportional to 7,729,976,310.32, 10,667,508,348.12 and 4,296,996,988.76 is: 5,929,934,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,976,310.32 : 10,667,508,348.12 = 4,296,996,988.76 : x
  2. Step 2: Convert to fraction form
    7,729,976,310.32/10,667,508,348.12 = 4,296,996,988.76/x
  3. Step 3: Cross multiply
    7,729,976,310.32x = 10,667,508,348.12 × 4,296,996,988.76
  4. Step 4: Simplify right side
    7,729,976,310.32x = 45,838,251,249,443,807,232
  5. Step 5: Solve for x
    x = 45,838,251,249,443,807,232/7,729,976,310.32
  6. Step 6: Final answer
    x = 5,929,934,246.79

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Double scale
Find fourth proportional to 7,729,976,311.32, 10,667,508,349.50 and 4,296,996,989.76
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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.