Home / 268,287,412,669.55-402,388,471,441.58-89,198,503,635.94

Finding the Fourth Proportional to 268,287,412,669.55, 402,388,471,441.58 and 89,198,503,635.94

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Solution

The fourth proportional to 268,287,412,669.55, 402,388,471,441.58 and 89,198,503,635.94 is: 133,783,576,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,287,412,669.55 : 402,388,471,441.58 = 89,198,503,635.94 : x
  2. Step 2: Convert to fraction form
    268,287,412,669.55/402,388,471,441.58 = 89,198,503,635.94/x
  3. Step 3: Cross multiply
    268,287,412,669.55x = 402,388,471,441.58 × 89,198,503,635.94
  4. Step 4: Simplify right side
    268,287,412,669.55x = 35,892,449,532,942,116,454,400
  5. Step 5: Solve for x
    x = 35,892,449,532,942,116,454,400/268,287,412,669.55
  6. Step 6: Final answer
    x = 133,783,576,261.74

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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.