Home / 491,055,645.03-677,555,630.30-282,171,431.39

Finding the Fourth Proportional to 491,055,645.03, 677,555,630.30 and 282,171,431.39

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Solution

The fourth proportional to 491,055,645.03, 677,555,630.30 and 282,171,431.39 is: 389,338,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,055,645.03 : 677,555,630.30 = 282,171,431.39 : x
  2. Step 2: Convert to fraction form
    491,055,645.03/677,555,630.30 = 282,171,431.39/x
  3. Step 3: Cross multiply
    491,055,645.03x = 677,555,630.30 × 282,171,431.39
  4. Step 4: Simplify right side
    491,055,645.03x = 191,186,842,043,306,016
  5. Step 5: Solve for x
    x = 191,186,842,043,306,016/491,055,645.03
  6. Step 6: Final answer
    x = 389,338,446.63

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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.