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Finding the Fourth Proportional to 445,841,273.17, 668,496,978.59 and 169,512,714.62

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Solution

The fourth proportional to 445,841,273.17, 668,496,978.59 and 169,512,714.62 is: 254,168,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,841,273.17 : 668,496,978.59 = 169,512,714.62 : x
  2. Step 2: Convert to fraction form
    445,841,273.17/668,496,978.59 = 169,512,714.62/x
  3. Step 3: Cross multiply
    445,841,273.17x = 668,496,978.59 × 169,512,714.62
  4. Step 4: Simplify right side
    445,841,273.17x = 113,318,737,555,211,360
  5. Step 5: Solve for x
    x = 113,318,737,555,211,360/445,841,273.17
  6. Step 6: Final answer
    x = 254,168,342.81

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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.