Home / 930,978,426.58-1,396,611,128.92-317,419,163.26

Finding the Fourth Proportional to 930,978,426.58, 1,396,611,128.92 and 317,419,163.26

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Solution

The fourth proportional to 930,978,426.58, 1,396,611,128.92 and 317,419,163.26 is: 476,177,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,978,426.58 : 1,396,611,128.92 = 317,419,163.26 : x
  2. Step 2: Convert to fraction form
    930,978,426.58/1,396,611,128.92 = 317,419,163.26/x
  3. Step 3: Cross multiply
    930,978,426.58x = 1,396,611,128.92 × 317,419,163.26
  4. Step 4: Simplify right side
    930,978,426.58x = 443,311,135,941,390,400
  5. Step 5: Solve for x
    x = 443,311,135,941,390,400/930,978,426.58
  6. Step 6: Final answer
    x = 476,177,667.80

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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.