Home / 869,325,715.74-1,199,560,493.22-587,680,979.82

Finding the Fourth Proportional to 869,325,715.74, 1,199,560,493.22 and 587,680,979.82

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Solution

The fourth proportional to 869,325,715.74, 1,199,560,493.22 and 587,680,979.82 is: 810,926,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,325,715.74 : 1,199,560,493.22 = 587,680,979.82 : x
  2. Step 2: Convert to fraction form
    869,325,715.74/1,199,560,493.22 = 587,680,979.82/x
  3. Step 3: Cross multiply
    869,325,715.74x = 1,199,560,493.22 × 587,680,979.82
  4. Step 4: Simplify right side
    869,325,715.74x = 704,958,886,008,892,160
  5. Step 5: Solve for x
    x = 704,958,886,008,892,160/869,325,715.74
  6. Step 6: Final answer
    x = 810,926,069.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.