Home / 469,937,442.78-704,827,979.46-142,335,067.02

Finding the Fourth Proportional to 469,937,442.78, 704,827,979.46 and 142,335,067.02

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Solution

The fourth proportional to 469,937,442.78, 704,827,979.46 and 142,335,067.02 is: 213,478,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,937,442.78 : 704,827,979.46 = 142,335,067.02 : x
  2. Step 2: Convert to fraction form
    469,937,442.78/704,827,979.46 = 142,335,067.02/x
  3. Step 3: Cross multiply
    469,937,442.78x = 704,827,979.46 × 142,335,067.02
  4. Step 4: Simplify right side
    469,937,442.78x = 100,321,737,694,010,304
  5. Step 5: Solve for x
    x = 100,321,737,694,010,304/469,937,442.78
  6. Step 6: Final answer
    x = 213,478,919.88

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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.