Home / 818,467,049.72-1,227,682,848.62-228,241,540.86

Finding the Fourth Proportional to 818,467,049.72, 1,227,682,848.62 and 228,241,540.86

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Solution

The fourth proportional to 818,467,049.72, 1,227,682,848.62 and 228,241,540.86 is: 342,357,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,467,049.72 : 1,227,682,848.62 = 228,241,540.86 : x
  2. Step 2: Convert to fraction form
    818,467,049.72/1,227,682,848.62 = 228,241,540.86/x
  3. Step 3: Cross multiply
    818,467,049.72x = 1,227,682,848.62 × 228,241,540.86
  4. Step 4: Simplify right side
    818,467,049.72x = 280,208,225,056,422,912
  5. Step 5: Solve for x
    x = 280,208,225,056,422,912/818,467,049.72
  6. Step 6: Final answer
    x = 342,357,368.15

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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.