Home / 2,836,629,398.39-4,251,558,893.74-1,320,237,815.45

Finding the Fourth Proportional to 2,836,629,398.39, 4,251,558,893.74 and 1,320,237,815.45

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Solution

The fourth proportional to 2,836,629,398.39, 4,251,558,893.74 and 1,320,237,815.45 is: 1,978,781,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836,629,398.39 : 4,251,558,893.74 = 1,320,237,815.45 : x
  2. Step 2: Convert to fraction form
    2,836,629,398.39/4,251,558,893.74 = 1,320,237,815.45/x
  3. Step 3: Cross multiply
    2,836,629,398.39x = 4,251,558,893.74 × 1,320,237,815.45
  4. Step 4: Simplify right side
    2,836,629,398.39x = 5,613,068,826,103,757,824
  5. Step 5: Solve for x
    x = 5,613,068,826,103,757,824/2,836,629,398.39
  6. Step 6: Final answer
    x = 1,978,781,165.17

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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.