Home / 1,008,047,857.85-1,512,071,786.78-803,974,513.85

Finding the Fourth Proportional to 1,008,047,857.85, 1,512,071,786.78 and 803,974,513.85

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Solution

The fourth proportional to 1,008,047,857.85, 1,512,071,786.78 and 803,974,513.85 is: 1,205,961,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,047,857.85 : 1,512,071,786.78 = 803,974,513.85 : x
  2. Step 2: Convert to fraction form
    1,008,047,857.85/1,512,071,786.78 = 803,974,513.85/x
  3. Step 3: Cross multiply
    1,008,047,857.85x = 1,512,071,786.78 × 803,974,513.85
  4. Step 4: Simplify right side
    1,008,047,857.85x = 1,215,667,179,682,751,488
  5. Step 5: Solve for x
    x = 1,215,667,179,682,751,488/1,008,047,857.85
  6. Step 6: Final answer
    x = 1,205,961,770.78

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Double scale
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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.