Home / 400,489,046.24-600,764,625.48-120,348,087.04

Finding the Fourth Proportional to 400,489,046.24, 600,764,625.48 and 120,348,087.04

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Solution

The fourth proportional to 400,489,046.24, 600,764,625.48 and 120,348,087.04 is: 180,531,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,489,046.24 : 600,764,625.48 = 120,348,087.04 : x
  2. Step 2: Convert to fraction form
    400,489,046.24/600,764,625.48 = 120,348,087.04/x
  3. Step 3: Cross multiply
    400,489,046.24x = 600,764,625.48 × 120,348,087.04
  4. Step 4: Simplify right side
    400,489,046.24x = 72,300,873,437,820,048
  5. Step 5: Solve for x
    x = 72,300,873,437,820,048/400,489,046.24
  6. Step 6: Final answer
    x = 180,531,463.01

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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.