Home / 352,731,383.85-486,800,326.23-193,989,480

Finding the Fourth Proportional to 352,731,383.85, 486,800,326.23 and 193,989,480

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Solution

The fourth proportional to 352,731,383.85, 486,800,326.23 and 193,989,480 is: 267,722,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,731,383.85 : 486,800,326.23 = 193,989,480 : x
  2. Step 2: Convert to fraction form
    352,731,383.85/486,800,326.23 = 193,989,480/x
  3. Step 3: Cross multiply
    352,731,383.85x = 486,800,326.23 × 193,989,480
  4. Step 4: Simplify right side
    352,731,383.85x = 94,434,142,149,188,064
  5. Step 5: Solve for x
    x = 94,434,142,149,188,064/352,731,383.85
  6. Step 6: Final answer
    x = 267,722,540.36

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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.