Home / 834,187,719.20-1,251,505,527.60-743,936,352.80

Finding the Fourth Proportional to 834,187,719.20, 1,251,505,527.60 and 743,936,352.80

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Solution

The fourth proportional to 834,187,719.20, 1,251,505,527.60 and 743,936,352.80 is: 1,116,104,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,187,719.20 : 1,251,505,527.60 = 743,936,352.80 : x
  2. Step 2: Convert to fraction form
    834,187,719.20/1,251,505,527.60 = 743,936,352.80/x
  3. Step 3: Cross multiply
    834,187,719.20x = 1,251,505,527.60 × 743,936,352.80
  4. Step 4: Simplify right side
    834,187,719.20x = 931,040,457,711,783,552
  5. Step 5: Solve for x
    x = 931,040,457,711,783,552/834,187,719.20
  6. Step 6: Final answer
    x = 1,116,104,248.82

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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.