Home / 806,786,955.70-1,113,336,604.63-449,536,273.85

Finding the Fourth Proportional to 806,786,955.70, 1,113,336,604.63 and 449,536,273.85

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Solution

The fourth proportional to 806,786,955.70, 1,113,336,604.63 and 449,536,273.85 is: 620,343,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,786,955.70 : 1,113,336,604.63 = 449,536,273.85 : x
  2. Step 2: Convert to fraction form
    806,786,955.70/1,113,336,604.63 = 449,536,273.85/x
  3. Step 3: Cross multiply
    806,786,955.70x = 1,113,336,604.63 × 449,536,273.85
  4. Step 4: Simplify right side
    806,786,955.70x = 500,485,188,786,180,928
  5. Step 5: Solve for x
    x = 500,485,188,786,180,928/806,786,955.70
  6. Step 6: Final answer
    x = 620,343,679.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.