Home / 1,208,954,604.60-1,813,431,906.90-442,950,175.80

Finding the Fourth Proportional to 1,208,954,604.60, 1,813,431,906.90 and 442,950,175.80

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Solution

The fourth proportional to 1,208,954,604.60, 1,813,431,906.90 and 442,950,175.80 is: 664,425,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,954,604.60 : 1,813,431,906.90 = 442,950,175.80 : x
  2. Step 2: Convert to fraction form
    1,208,954,604.60/1,813,431,906.90 = 442,950,175.80/x
  3. Step 3: Cross multiply
    1,208,954,604.60x = 1,813,431,906.90 × 442,950,175.80
  4. Step 4: Simplify right side
    1,208,954,604.60x = 803,259,981,962,684,288
  5. Step 5: Solve for x
    x = 803,259,981,962,684,288/1,208,954,604.60
  6. Step 6: Final answer
    x = 664,425,263.70

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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.