Home / 1,429,002,067.59-2,143,115,942.99-393,616,712.07

Finding the Fourth Proportional to 1,429,002,067.59, 2,143,115,942.99 and 393,616,712.07

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Solution

The fourth proportional to 1,429,002,067.59, 2,143,115,942.99 and 393,616,712.07 is: 590,318,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,002,067.59 : 2,143,115,942.99 = 393,616,712.07 : x
  2. Step 2: Convert to fraction form
    1,429,002,067.59/2,143,115,942.99 = 393,616,712.07/x
  3. Step 3: Cross multiply
    1,429,002,067.59x = 2,143,115,942.99 × 393,616,712.07
  4. Step 4: Simplify right side
    1,429,002,067.59x = 843,566,251,062,553,216
  5. Step 5: Solve for x
    x = 843,566,251,062,553,216/1,429,002,067.59
  6. Step 6: Final answer
    x = 590,318,425.84

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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.