Home / 7,729,976,311.32-10,667,508,349.50-4,296,996,989.76

Finding the Fourth Proportional to 7,729,976,311.32, 10,667,508,349.50 and 4,296,996,989.76

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Solution

The fourth proportional to 7,729,976,311.32, 10,667,508,349.50 and 4,296,996,989.76 is: 5,929,934,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,976,311.32 : 10,667,508,349.50 = 4,296,996,989.76 : x
  2. Step 2: Convert to fraction form
    7,729,976,311.32/10,667,508,349.50 = 4,296,996,989.76/x
  3. Step 3: Cross multiply
    7,729,976,311.32x = 10,667,508,349.50 × 4,296,996,989.76
  4. Step 4: Simplify right side
    7,729,976,311.32x = 45,838,251,266,041,167,872
  5. Step 5: Solve for x
    x = 45,838,251,266,041,167,872/7,729,976,311.32
  6. Step 6: Final answer
    x = 5,929,934,248.17

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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.