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Finding the Fourth Proportional to 323,847,167.70, 485,770,751.55 and 265,734,094.35

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Solution

The fourth proportional to 323,847,167.70, 485,770,751.55 and 265,734,094.35 is: 398,601,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,847,167.70 : 485,770,751.55 = 265,734,094.35 : x
  2. Step 2: Convert to fraction form
    323,847,167.70/485,770,751.55 = 265,734,094.35/x
  3. Step 3: Cross multiply
    323,847,167.70x = 485,770,751.55 × 265,734,094.35
  4. Step 4: Simplify right side
    323,847,167.70x = 129,085,850,724,858,112
  5. Step 5: Solve for x
    x = 129,085,850,724,858,112/323,847,167.70
  6. Step 6: Final answer
    x = 398,601,141.53

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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.