Home / 491,055,675.40-677,555,672.07-282,171,461.75

Finding the Fourth Proportional to 491,055,675.40, 677,555,672.07 and 282,171,461.75

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Solution

The fourth proportional to 491,055,675.40, 677,555,672.07 and 282,171,461.75 is: 389,338,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,055,675.40 : 677,555,672.07 = 282,171,461.75 : x
  2. Step 2: Convert to fraction form
    491,055,675.40/677,555,672.07 = 282,171,461.75/x
  3. Step 3: Cross multiply
    491,055,675.40x = 677,555,672.07 × 282,171,461.75
  4. Step 4: Simplify right side
    491,055,675.40x = 191,186,874,404,995,552
  5. Step 5: Solve for x
    x = 191,186,874,404,995,552/491,055,675.40
  6. Step 6: Final answer
    x = 389,338,488.45

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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.