Home / 491,142,743.65-677,773,538.29-268,124,425.25

Finding the Fourth Proportional to 491,142,743.65, 677,773,538.29 and 268,124,425.25

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Solution

The fourth proportional to 491,142,743.65, 677,773,538.29 and 268,124,425.25 is: 370,009,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,142,743.65 : 677,773,538.29 = 268,124,425.25 : x
  2. Step 2: Convert to fraction form
    491,142,743.65/677,773,538.29 = 268,124,425.25/x
  3. Step 3: Cross multiply
    491,142,743.65x = 677,773,538.29 × 268,124,425.25
  4. Step 4: Simplify right side
    491,142,743.65x = 181,727,640,403,665,120
  5. Step 5: Solve for x
    x = 181,727,640,403,665,120/491,142,743.65
  6. Step 6: Final answer
    x = 370,009,824.54

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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.