Home / 471,035,993.43-706,659,369.57-143,537,137.95

Finding the Fourth Proportional to 471,035,993.43, 706,659,369.57 and 143,537,137.95

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Solution

The fourth proportional to 471,035,993.43, 706,659,369.57 and 143,537,137.95 is: 215,337,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,035,993.43 : 706,659,369.57 = 143,537,137.95 : x
  2. Step 2: Convert to fraction form
    471,035,993.43/706,659,369.57 = 143,537,137.95/x
  3. Step 3: Cross multiply
    471,035,993.43x = 706,659,369.57 × 143,537,137.95
  4. Step 4: Simplify right side
    471,035,993.43x = 101,431,863,413,629,120
  5. Step 5: Solve for x
    x = 101,431,863,413,629,120/471,035,993.43
  6. Step 6: Final answer
    x = 215,337,818.83

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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.