Home / 627,818,998.80-941,728,498.20-491,620,803.60

Finding the Fourth Proportional to 627,818,998.80, 941,728,498.20 and 491,620,803.60

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Solution

The fourth proportional to 627,818,998.80, 941,728,498.20 and 491,620,803.60 is: 737,431,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,818,998.80 : 941,728,498.20 = 491,620,803.60 : x
  2. Step 2: Convert to fraction form
    627,818,998.80/941,728,498.20 = 491,620,803.60/x
  3. Step 3: Cross multiply
    627,818,998.80x = 941,728,498.20 × 491,620,803.60
  4. Step 4: Simplify right side
    627,818,998.80x = 462,973,321,058,105,216
  5. Step 5: Solve for x
    x = 462,973,321,058,105,216/627,818,998.80
  6. Step 6: Final answer
    x = 737,431,205.40

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1.5x scale

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.