Home / 818,467,045.72-1,227,682,842.63-228,241,536.85

Finding the Fourth Proportional to 818,467,045.72, 1,227,682,842.63 and 228,241,536.85

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Solution

The fourth proportional to 818,467,045.72, 1,227,682,842.63 and 228,241,536.85 is: 342,357,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,467,045.72 : 1,227,682,842.63 = 228,241,536.85 : x
  2. Step 2: Convert to fraction form
    818,467,045.72/1,227,682,842.63 = 228,241,536.85/x
  3. Step 3: Cross multiply
    818,467,045.72x = 1,227,682,842.63 × 228,241,536.85
  4. Step 4: Simplify right side
    818,467,045.72x = 280,208,218,766,247,904
  5. Step 5: Solve for x
    x = 280,208,218,766,247,904/818,467,045.72
  6. Step 6: Final answer
    x = 342,357,362.13

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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.