Home / 646,321,876.40-969,764,527.54-226,444,464.86

Finding the Fourth Proportional to 646,321,876.40, 969,764,527.54 and 226,444,464.86

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Solution

The fourth proportional to 646,321,876.40, 969,764,527.54 and 226,444,464.86 is: 339,765,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,321,876.40 : 969,764,527.54 = 226,444,464.86 : x
  2. Step 2: Convert to fraction form
    646,321,876.40/969,764,527.54 = 226,444,464.86/x
  3. Step 3: Cross multiply
    646,321,876.40x = 969,764,527.54 × 226,444,464.86
  4. Step 4: Simplify right side
    646,321,876.40x = 219,597,809,479,006,048
  5. Step 5: Solve for x
    x = 219,597,809,479,006,048/646,321,876.40
  6. Step 6: Final answer
    x = 339,765,397.86

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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.