Home / 645,114,268.35-967,876,302.56-271,819,481.13

Finding the Fourth Proportional to 645,114,268.35, 967,876,302.56 and 271,819,481.13

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Solution

The fourth proportional to 645,114,268.35, 967,876,302.56 and 271,819,481.13 is: 407,815,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,114,268.35 : 967,876,302.56 = 271,819,481.13 : x
  2. Step 2: Convert to fraction form
    645,114,268.35/967,876,302.56 = 271,819,481.13/x
  3. Step 3: Cross multiply
    645,114,268.35x = 967,876,302.56 × 271,819,481.13
  4. Step 4: Simplify right side
    645,114,268.35x = 263,087,634,358,522,976
  5. Step 5: Solve for x
    x = 263,087,634,358,522,976/645,114,268.35
  6. Step 6: Final answer
    x = 407,815,556.51

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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.