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Finding the Fourth Proportional to 1,328,604,022.80, 1,992,906,034.20 and 889,527,468.60

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Solution

The fourth proportional to 1,328,604,022.80, 1,992,906,034.20 and 889,527,468.60 is: 1,334,291,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,604,022.80 : 1,992,906,034.20 = 889,527,468.60 : x
  2. Step 2: Convert to fraction form
    1,328,604,022.80/1,992,906,034.20 = 889,527,468.60/x
  3. Step 3: Cross multiply
    1,328,604,022.80x = 1,992,906,034.20 × 889,527,468.60
  4. Step 4: Simplify right side
    1,328,604,022.80x = 1,772,744,659,759,591,168
  5. Step 5: Solve for x
    x = 1,772,744,659,759,591,168/1,328,604,022.80
  6. Step 6: Final answer
    x = 1,334,291,202.90

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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.