Home / 325,557,333.80-488,336,000.70-281,719,356.20

Finding the Fourth Proportional to 325,557,333.80, 488,336,000.70 and 281,719,356.20

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Solution

The fourth proportional to 325,557,333.80, 488,336,000.70 and 281,719,356.20 is: 422,579,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,557,333.80 : 488,336,000.70 = 281,719,356.20 : x
  2. Step 2: Convert to fraction form
    325,557,333.80/488,336,000.70 = 281,719,356.20/x
  3. Step 3: Cross multiply
    325,557,333.80x = 488,336,000.70 × 281,719,356.20
  4. Step 4: Simplify right side
    325,557,333.80x = 137,573,703,726,486,736
  5. Step 5: Solve for x
    x = 137,573,703,726,486,736/325,557,333.80
  6. Step 6: Final answer
    x = 422,579,034.30

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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.