Home / 1,217,067,876.30-1,825,136,448.08-664,074,732.89

Finding the Fourth Proportional to 1,217,067,876.30, 1,825,136,448.08 and 664,074,732.89

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Solution

The fourth proportional to 1,217,067,876.30, 1,825,136,448.08 and 664,074,732.89 is: 995,858,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,067,876.30 : 1,825,136,448.08 = 664,074,732.89 : x
  2. Step 2: Convert to fraction form
    1,217,067,876.30/1,825,136,448.08 = 664,074,732.89/x
  3. Step 3: Cross multiply
    1,217,067,876.30x = 1,825,136,448.08 × 664,074,732.89
  4. Step 4: Simplify right side
    1,217,067,876.30x = 1,212,026,999,251,557,120
  5. Step 5: Solve for x
    x = 1,212,026,999,251,557,120/1,217,067,876.30
  6. Step 6: Final answer
    x = 995,858,179.19

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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.