Home / 491,142,735.97-677,773,527.71-268,124,417.59

Finding the Fourth Proportional to 491,142,735.97, 677,773,527.71 and 268,124,417.59

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Solution

The fourth proportional to 491,142,735.97, 677,773,527.71 and 268,124,417.59 is: 370,009,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,142,735.97 : 677,773,527.71 = 268,124,417.59 : x
  2. Step 2: Convert to fraction form
    491,142,735.97/677,773,527.71 = 268,124,417.59/x
  3. Step 3: Cross multiply
    491,142,735.97x = 677,773,527.71 × 268,124,417.59
  4. Step 4: Simplify right side
    491,142,735.97x = 181,727,632,370,434,016
  5. Step 5: Solve for x
    x = 181,727,632,370,434,016/491,142,735.97
  6. Step 6: Final answer
    x = 370,009,813.97

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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.