Home / 627,819,000.80-941,728,501.20-491,620,805.60

Finding the Fourth Proportional to 627,819,000.80, 941,728,501.20 and 491,620,805.60

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Solution

The fourth proportional to 627,819,000.80, 941,728,501.20 and 491,620,805.60 is: 737,431,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,819,000.80 : 941,728,501.20 = 491,620,805.60 : x
  2. Step 2: Convert to fraction form
    627,819,000.80/941,728,501.20 = 491,620,805.60/x
  3. Step 3: Cross multiply
    627,819,000.80x = 941,728,501.20 × 491,620,805.60
  4. Step 4: Simplify right side
    627,819,000.80x = 462,973,324,416,424,640
  5. Step 5: Solve for x
    x = 462,973,324,416,424,640/627,819,000.80
  6. Step 6: Final answer
    x = 737,431,208.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.