Home / 325,557,322.30-488,335,983.45-281,719,344.70

Finding the Fourth Proportional to 325,557,322.30, 488,335,983.45 and 281,719,344.70

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Solution

The fourth proportional to 325,557,322.30, 488,335,983.45 and 281,719,344.70 is: 422,579,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,557,322.30 : 488,335,983.45 = 281,719,344.70 : x
  2. Step 2: Convert to fraction form
    325,557,322.30/488,335,983.45 = 281,719,344.70/x
  3. Step 3: Cross multiply
    325,557,322.30x = 488,335,983.45 × 281,719,344.70
  4. Step 4: Simplify right side
    325,557,322.30x = 137,573,693,250,964,032
  5. Step 5: Solve for x
    x = 137,573,693,250,964,032/325,557,322.30
  6. Step 6: Final answer
    x = 422,579,017.05

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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.