Home / 408,132,023.70-612,198,035.55-223,828,284.90

Finding the Fourth Proportional to 408,132,023.70, 612,198,035.55 and 223,828,284.90

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Solution

The fourth proportional to 408,132,023.70, 612,198,035.55 and 223,828,284.90 is: 335,742,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,132,023.70 : 612,198,035.55 = 223,828,284.90 : x
  2. Step 2: Convert to fraction form
    408,132,023.70/612,198,035.55 = 223,828,284.90/x
  3. Step 3: Cross multiply
    408,132,023.70x = 612,198,035.55 × 223,828,284.90
  4. Step 4: Simplify right side
    408,132,023.70x = 137,027,236,316,305,728
  5. Step 5: Solve for x
    x = 137,027,236,316,305,728/408,132,023.70
  6. Step 6: Final answer
    x = 335,742,427.35

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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.