Home / 471,035,990.92-706,659,365.82-143,537,135.44

Finding the Fourth Proportional to 471,035,990.92, 706,659,365.82 and 143,537,135.44

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Solution

The fourth proportional to 471,035,990.92, 706,659,365.82 and 143,537,135.44 is: 215,337,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,035,990.92 : 706,659,365.82 = 143,537,135.44 : x
  2. Step 2: Convert to fraction form
    471,035,990.92/706,659,365.82 = 143,537,135.44/x
  3. Step 3: Cross multiply
    471,035,990.92x = 706,659,365.82 × 143,537,135.44
  4. Step 4: Simplify right side
    471,035,990.92x = 101,431,861,100,421,472
  5. Step 5: Solve for x
    x = 101,431,861,100,421,472/471,035,990.92
  6. Step 6: Final answer
    x = 215,337,815.06

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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.