Home / 715,784,454.82-1,073,665,878.11-322,033,227.06

Finding the Fourth Proportional to 715,784,454.82, 1,073,665,878.11 and 322,033,227.06

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Solution

The fourth proportional to 715,784,454.82, 1,073,665,878.11 and 322,033,227.06 is: 483,044,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,784,454.82 : 1,073,665,878.11 = 322,033,227.06 : x
  2. Step 2: Convert to fraction form
    715,784,454.82/1,073,665,878.11 = 322,033,227.06/x
  3. Step 3: Cross multiply
    715,784,454.82x = 1,073,665,878.11 × 322,033,227.06
  4. Step 4: Simplify right side
    715,784,454.82x = 345,756,087,511,971,904
  5. Step 5: Solve for x
    x = 345,756,087,511,971,904/715,784,454.82
  6. Step 6: Final answer
    x = 483,044,979.79

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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.