Home / 1,353,083,791.62-2,029,667,677.83-643,876,958.10

Finding the Fourth Proportional to 1,353,083,791.62, 2,029,667,677.83 and 643,876,958.10

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Solution

The fourth proportional to 1,353,083,791.62, 2,029,667,677.83 and 643,876,958.10 is: 965,835,418.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,083,791.62 : 2,029,667,677.83 = 643,876,958.10 : x
  2. Step 2: Convert to fraction form
    1,353,083,791.62/2,029,667,677.83 = 643,876,958.10/x
  3. Step 3: Cross multiply
    1,353,083,791.62x = 2,029,667,677.83 × 643,876,958.10
  4. Step 4: Simplify right side
    1,353,083,791.62x = 1,306,856,250,355,071,232
  5. Step 5: Solve for x
    x = 1,306,856,250,355,071,232/1,353,083,791.62
  6. Step 6: Final answer
    x = 965,835,418.66

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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.