Home / 908,335,643.00-1,253,503,691.15-490,647,930.57

Finding the Fourth Proportional to 908,335,643.00, 1,253,503,691.15 and 490,647,930.57

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Solution

The fourth proportional to 908,335,643.00, 1,253,503,691.15 and 490,647,930.57 is: 677,094,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,335,643.00 : 1,253,503,691.15 = 490,647,930.57 : x
  2. Step 2: Convert to fraction form
    908,335,643.00/1,253,503,691.15 = 490,647,930.57/x
  3. Step 3: Cross multiply
    908,335,643.00x = 1,253,503,691.15 × 490,647,930.57
  4. Step 4: Simplify right side
    908,335,643.00x = 615,028,992,022,150,656
  5. Step 5: Solve for x
    x = 615,028,992,022,150,656/908,335,643.00
  6. Step 6: Final answer
    x = 677,094,416.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.