Home / 298,851,249.60-412,546,968.11-193,056,249.15

Finding the Fourth Proportional to 298,851,249.60, 412,546,968.11 and 193,056,249.15

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Solution

The fourth proportional to 298,851,249.60, 412,546,968.11 and 193,056,249.15 is: 266,503,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,851,249.60 : 412,546,968.11 = 193,056,249.15 : x
  2. Step 2: Convert to fraction form
    298,851,249.60/412,546,968.11 = 193,056,249.15/x
  3. Step 3: Cross multiply
    298,851,249.60x = 412,546,968.11 × 193,056,249.15
  4. Step 4: Simplify right side
    298,851,249.60x = 79,644,770,262,003,904
  5. Step 5: Solve for x
    x = 79,644,770,262,003,904/298,851,249.60
  6. Step 6: Final answer
    x = 266,503,052.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.