Home / 811,956,037.52-1,120,510,081.32-440,682,519.44

Finding the Fourth Proportional to 811,956,037.52, 1,120,510,081.32 and 440,682,519.44

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Solution

The fourth proportional to 811,956,037.52, 1,120,510,081.32 and 440,682,519.44 is: 608,147,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,956,037.52 : 1,120,510,081.32 = 440,682,519.44 : x
  2. Step 2: Convert to fraction form
    811,956,037.52/1,120,510,081.32 = 440,682,519.44/x
  3. Step 3: Cross multiply
    811,956,037.52x = 1,120,510,081.32 × 440,682,519.44
  4. Step 4: Simplify right side
    811,956,037.52x = 493,789,205,694,016,832
  5. Step 5: Solve for x
    x = 493,789,205,694,016,832/811,956,037.52
  6. Step 6: Final answer
    x = 608,147,711.05

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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.