Home / 491,055,832.46-677,555,888.48-282,171,618.80

Finding the Fourth Proportional to 491,055,832.46, 677,555,888.48 and 282,171,618.80

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Solution

The fourth proportional to 491,055,832.46, 677,555,888.48 and 282,171,618.80 is: 389,338,704.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,055,832.46 : 677,555,888.48 = 282,171,618.80 : x
  2. Step 2: Convert to fraction form
    491,055,832.46/677,555,888.48 = 282,171,618.80/x
  3. Step 3: Cross multiply
    491,055,832.46x = 677,555,888.48 × 282,171,618.80
  4. Step 4: Simplify right side
    491,055,832.46x = 191,187,041,879,873,888
  5. Step 5: Solve for x
    x = 191,187,041,879,873,888/491,055,832.46
  6. Step 6: Final answer
    x = 389,338,704.98

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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.