Home / 490,538,963.22-735,512,073.98-195,479,475.50

Finding the Fourth Proportional to 490,538,963.22, 735,512,073.98 and 195,479,475.50

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Solution

The fourth proportional to 490,538,963.22, 735,512,073.98 and 195,479,475.50 is: 293,101,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,538,963.22 : 735,512,073.98 = 195,479,475.50 : x
  2. Step 2: Convert to fraction form
    490,538,963.22/735,512,073.98 = 195,479,475.50/x
  3. Step 3: Cross multiply
    490,538,963.22x = 735,512,073.98 × 195,479,475.50
  4. Step 4: Simplify right side
    490,538,963.22x = 143,777,514,442,338,736
  5. Step 5: Solve for x
    x = 143,777,514,442,338,736/490,538,963.22
  6. Step 6: Final answer
    x = 293,101,109.64

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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.