Home / 1,993,004,914.40-2,989,491,625.20-519,141,874.40

Finding the Fourth Proportional to 1,993,004,914.40, 2,989,491,625.20 and 519,141,874.40

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Solution

The fourth proportional to 1,993,004,914.40, 2,989,491,625.20 and 519,141,874.40 is: 778,708,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,004,914.40 : 2,989,491,625.20 = 519,141,874.40 : x
  2. Step 2: Convert to fraction form
    1,993,004,914.40/2,989,491,625.20 = 519,141,874.40/x
  3. Step 3: Cross multiply
    1,993,004,914.40x = 2,989,491,625.20 × 519,141,874.40
  4. Step 4: Simplify right side
    1,993,004,914.40x = 1,551,970,285,809,430,016
  5. Step 5: Solve for x
    x = 1,551,970,285,809,430,016/1,993,004,914.40
  6. Step 6: Final answer
    x = 778,708,709.95

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1.5x scale

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.