Home / 818,467,069.72-1,227,682,878.60-228,241,560.88

Finding the Fourth Proportional to 818,467,069.72, 1,227,682,878.60 and 228,241,560.88

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Solution

The fourth proportional to 818,467,069.72, 1,227,682,878.60 and 228,241,560.88 is: 342,357,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,467,069.72 : 1,227,682,878.60 = 228,241,560.88 : x
  2. Step 2: Convert to fraction form
    818,467,069.72/1,227,682,878.60 = 228,241,560.88/x
  3. Step 3: Cross multiply
    818,467,069.72x = 1,227,682,878.60 × 228,241,560.88
  4. Step 4: Simplify right side
    818,467,069.72x = 280,208,256,477,315,520
  5. Step 5: Solve for x
    x = 280,208,256,477,315,520/818,467,069.72
  6. Step 6: Final answer
    x = 342,357,398.17

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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.