Home / 361,232,984.98-498,501,131.97-196,220,677.78

Finding the Fourth Proportional to 361,232,984.98, 498,501,131.97 and 196,220,677.78

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Solution

The fourth proportional to 361,232,984.98, 498,501,131.97 and 196,220,677.78 is: 270,784,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,232,984.98 : 498,501,131.97 = 196,220,677.78 : x
  2. Step 2: Convert to fraction form
    361,232,984.98/498,501,131.97 = 196,220,677.78/x
  3. Step 3: Cross multiply
    361,232,984.98x = 498,501,131.97 × 196,220,677.78
  4. Step 4: Simplify right side
    361,232,984.98x = 97,816,229,989,250,640
  5. Step 5: Solve for x
    x = 97,816,229,989,250,640/361,232,984.98
  6. Step 6: Final answer
    x = 270,784,324.95

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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.