Home / 1,311,568,174.62-1,966,141,577.61-655,948,692.54

Finding the Fourth Proportional to 1,311,568,174.62, 1,966,141,577.61 and 655,948,692.54

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Solution

The fourth proportional to 1,311,568,174.62, 1,966,141,577.61 and 655,948,692.54 is: 983,317,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,568,174.62 : 1,966,141,577.61 = 655,948,692.54 : x
  2. Step 2: Convert to fraction form
    1,311,568,174.62/1,966,141,577.61 = 655,948,692.54/x
  3. Step 3: Cross multiply
    1,311,568,174.62x = 1,966,141,577.61 × 655,948,692.54
  4. Step 4: Simplify right side
    1,311,568,174.62x = 1,289,687,997,181,812,224
  5. Step 5: Solve for x
    x = 1,289,687,997,181,812,224/1,311,568,174.62
  6. Step 6: Final answer
    x = 983,317,544.71

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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.