Home / 491,055,643.54-677,555,628.22-282,171,429.88

Finding the Fourth Proportional to 491,055,643.54, 677,555,628.22 and 282,171,429.88

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Solution

The fourth proportional to 491,055,643.54, 677,555,628.22 and 282,171,429.88 is: 389,338,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,055,643.54 : 677,555,628.22 = 282,171,429.88 : x
  2. Step 2: Convert to fraction form
    491,055,643.54/677,555,628.22 = 282,171,429.88/x
  3. Step 3: Cross multiply
    491,055,643.54x = 677,555,628.22 × 282,171,429.88
  4. Step 4: Simplify right side
    491,055,643.54x = 191,186,840,441,348,256
  5. Step 5: Solve for x
    x = 191,186,840,441,348,256/491,055,643.54
  6. Step 6: Final answer
    x = 389,338,444.55

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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.