Home / 908,335,645.25-1,253,503,694.25-490,647,932.82

Finding the Fourth Proportional to 908,335,645.25, 1,253,503,694.25 and 490,647,932.82

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Solution

The fourth proportional to 908,335,645.25, 1,253,503,694.25 and 490,647,932.82 is: 677,094,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,335,645.25 : 1,253,503,694.25 = 490,647,932.82 : x
  2. Step 2: Convert to fraction form
    908,335,645.25/1,253,503,694.25 = 490,647,932.82/x
  3. Step 3: Cross multiply
    908,335,645.25x = 1,253,503,694.25 × 490,647,932.82
  4. Step 4: Simplify right side
    908,335,645.25x = 615,028,996,365,995,776
  5. Step 5: Solve for x
    x = 615,028,996,365,995,776/908,335,645.25
  6. Step 6: Final answer
    x = 677,094,419.43

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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.