Home / 301,405,891.52-451,449,684.48-213,701,559.68

Finding the Fourth Proportional to 301,405,891.52, 451,449,684.48 and 213,701,559.68

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Solution

The fourth proportional to 301,405,891.52, 451,449,684.48 and 213,701,559.68 is: 320,084,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,405,891.52 : 451,449,684.48 = 213,701,559.68 : x
  2. Step 2: Convert to fraction form
    301,405,891.52/451,449,684.48 = 213,701,559.68/x
  3. Step 3: Cross multiply
    301,405,891.52x = 451,449,684.48 × 213,701,559.68
  4. Step 4: Simplify right side
    301,405,891.52x = 96,475,501,690,419,904
  5. Step 5: Solve for x
    x = 96,475,501,690,419,904/301,405,891.52
  6. Step 6: Final answer
    x = 320,084,989.73

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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.