Home / 644,927,101.78-967,393,134.51-196,234,872.34

Finding the Fourth Proportional to 644,927,101.78, 967,393,134.51 and 196,234,872.34

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Solution

The fourth proportional to 644,927,101.78, 967,393,134.51 and 196,234,872.34 is: 294,353,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,927,101.78 : 967,393,134.51 = 196,234,872.34 : x
  2. Step 2: Convert to fraction form
    644,927,101.78/967,393,134.51 = 196,234,872.34/x
  3. Step 3: Cross multiply
    644,927,101.78x = 967,393,134.51 × 196,234,872.34
  4. Step 4: Simplify right side
    644,927,101.78x = 189,836,268,253,162,304
  5. Step 5: Solve for x
    x = 189,836,268,253,162,304/644,927,101.78
  6. Step 6: Final answer
    x = 294,353,063.67

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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.