Home / 491,234,480.31-677,913,021.70-268,225,000.80

Finding the Fourth Proportional to 491,234,480.31, 677,913,021.70 and 268,225,000.80

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Solution

The fourth proportional to 491,234,480.31, 677,913,021.70 and 268,225,000.80 is: 370,155,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,234,480.31 : 677,913,021.70 = 268,225,000.80 : x
  2. Step 2: Convert to fraction form
    491,234,480.31/677,913,021.70 = 268,225,000.80/x
  3. Step 3: Cross multiply
    491,234,480.31x = 677,913,021.70 × 268,225,000.80
  4. Step 4: Simplify right side
    491,234,480.31x = 181,833,220,788,580,736
  5. Step 5: Solve for x
    x = 181,833,220,788,580,736/491,234,480.31
  6. Step 6: Final answer
    x = 370,155,654.94

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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.