Home / 646,321,883.40-969,764,538.06-226,444,471.86

Finding the Fourth Proportional to 646,321,883.40, 969,764,538.06 and 226,444,471.86

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Solution

The fourth proportional to 646,321,883.40, 969,764,538.06 and 226,444,471.86 is: 339,765,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,321,883.40 : 969,764,538.06 = 226,444,471.86 : x
  2. Step 2: Convert to fraction form
    646,321,883.40/969,764,538.06 = 226,444,471.86/x
  3. Step 3: Cross multiply
    646,321,883.40x = 969,764,538.06 × 226,444,471.86
  4. Step 4: Simplify right side
    646,321,883.40x = 219,597,818,649,553,568
  5. Step 5: Solve for x
    x = 219,597,818,649,553,568/646,321,883.40
  6. Step 6: Final answer
    x = 339,765,408.37

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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.