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Finding the Fourth Proportional to 274,297,988.90, 411,562,276.32 and 170,753,845.34

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Solution

The fourth proportional to 274,297,988.90, 411,562,276.32 and 170,753,845.34 is: 256,202,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,297,988.90 : 411,562,276.32 = 170,753,845.34 : x
  2. Step 2: Convert to fraction form
    274,297,988.90/411,562,276.32 = 170,753,845.34/x
  3. Step 3: Cross multiply
    274,297,988.90x = 411,562,276.32 × 170,753,845.34
  4. Step 4: Simplify right side
    274,297,988.90x = 70,275,841,278,523,624
  5. Step 5: Solve for x
    x = 70,275,841,278,523,624/274,297,988.90
  6. Step 6: Final answer
    x = 256,202,539.29

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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.