Home / 644,927,101.28-967,393,133.76-196,234,871.84

Finding the Fourth Proportional to 644,927,101.28, 967,393,133.76 and 196,234,871.84

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Solution

The fourth proportional to 644,927,101.28, 967,393,133.76 and 196,234,871.84 is: 294,353,062.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,927,101.28 : 967,393,133.76 = 196,234,871.84 : x
  2. Step 2: Convert to fraction form
    644,927,101.28/967,393,133.76 = 196,234,871.84/x
  3. Step 3: Cross multiply
    644,927,101.28x = 967,393,133.76 × 196,234,871.84
  4. Step 4: Simplify right side
    644,927,101.28x = 189,836,267,622,289,568
  5. Step 5: Solve for x
    x = 189,836,267,622,289,568/644,927,101.28
  6. Step 6: Final answer
    x = 294,353,062.92

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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.