Home / 352,685,611.55-486,647,313.42-196,031,419.38

Finding the Fourth Proportional to 352,685,611.55, 486,647,313.42 and 196,031,419.38

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Solution

The fourth proportional to 352,685,611.55, 486,647,313.42 and 196,031,419.38 is: 270,490,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,685,611.55 : 486,647,313.42 = 196,031,419.38 : x
  2. Step 2: Convert to fraction form
    352,685,611.55/486,647,313.42 = 196,031,419.38/x
  3. Step 3: Cross multiply
    352,685,611.55x = 486,647,313.42 × 196,031,419.38
  4. Step 4: Simplify right side
    352,685,611.55x = 95,398,163,587,921,440
  5. Step 5: Solve for x
    x = 95,398,163,587,921,440/352,685,611.55
  6. Step 6: Final answer
    x = 270,490,659.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.