Home / 647,100,935.30-970,651,402.95-449,086,018.70

Finding the Fourth Proportional to 647,100,935.30, 970,651,402.95 and 449,086,018.70

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Solution

The fourth proportional to 647,100,935.30, 970,651,402.95 and 449,086,018.70 is: 673,629,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,100,935.30 : 970,651,402.95 = 449,086,018.70 : x
  2. Step 2: Convert to fraction form
    647,100,935.30/970,651,402.95 = 449,086,018.70/x
  3. Step 3: Cross multiply
    647,100,935.30x = 970,651,402.95 × 449,086,018.70
  4. Step 4: Simplify right side
    647,100,935.30x = 435,905,974,096,384,960
  5. Step 5: Solve for x
    x = 435,905,974,096,384,960/647,100,935.30
  6. Step 6: Final answer
    x = 673,629,028.05

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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.