Home / 266,150,712.60-398,628,872.10-218,374,968.60

Finding the Fourth Proportional to 266,150,712.60, 398,628,872.10 and 218,374,968.60

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Solution

The fourth proportional to 266,150,712.60, 398,628,872.10 and 218,374,968.60 is: 327,072,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,150,712.60 : 398,628,872.10 = 218,374,968.60 : x
  2. Step 2: Convert to fraction form
    266,150,712.60/398,628,872.10 = 218,374,968.60/x
  3. Step 3: Cross multiply
    266,150,712.60x = 398,628,872.10 × 218,374,968.60
  4. Step 4: Simplify right side
    266,150,712.60x = 87,050,567,427,890,912
  5. Step 5: Solve for x
    x = 87,050,567,427,890,912/266,150,712.60
  6. Step 6: Final answer
    x = 327,072,456.72

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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.