Home / 323,410,588.80-485,115,883.20-177,787,881.60

Finding the Fourth Proportional to 323,410,588.80, 485,115,883.20 and 177,787,881.60

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Solution

The fourth proportional to 323,410,588.80, 485,115,883.20 and 177,787,881.60 is: 266,681,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,410,588.80 : 485,115,883.20 = 177,787,881.60 : x
  2. Step 2: Convert to fraction form
    323,410,588.80/485,115,883.20 = 177,787,881.60/x
  3. Step 3: Cross multiply
    323,410,588.80x = 485,115,883.20 × 177,787,881.60
  4. Step 4: Simplify right side
    323,410,588.80x = 86,247,725,204,641,024
  5. Step 5: Solve for x
    x = 86,247,725,204,641,024/323,410,588.80
  6. Step 6: Final answer
    x = 266,681,822.40

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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.