Home / 696,561,645.12-1,044,993,633.21-211,874,856

Finding the Fourth Proportional to 696,561,645.12, 1,044,993,633.21 and 211,874,856

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Solution

The fourth proportional to 696,561,645.12, 1,044,993,633.21 and 211,874,856 is: 317,858,264.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,561,645.12 : 1,044,993,633.21 = 211,874,856 : x
  2. Step 2: Convert to fraction form
    696,561,645.12/1,044,993,633.21 = 211,874,856/x
  3. Step 3: Cross multiply
    696,561,645.12x = 1,044,993,633.21 × 211,874,856
  4. Step 4: Simplify right side
    696,561,645.12x = 221,407,875,557,285,568
  5. Step 5: Solve for x
    x = 221,407,875,557,285,568/696,561,645.12
  6. Step 6: Final answer
    x = 317,858,264.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.