Home / 3,928,446,659.64-5,420,447,107.84-2,257,372,950.40

Finding the Fourth Proportional to 3,928,446,659.64, 5,420,447,107.84 and 2,257,372,950.40

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Solution

The fourth proportional to 3,928,446,659.64, 5,420,447,107.84 and 2,257,372,950.40 is: 3,114,709,639.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,446,659.64 : 5,420,447,107.84 = 2,257,372,950.40 : x
  2. Step 2: Convert to fraction form
    3,928,446,659.64/5,420,447,107.84 = 2,257,372,950.40/x
  3. Step 3: Cross multiply
    3,928,446,659.64x = 5,420,447,107.84 × 2,257,372,950.40
  4. Step 4: Simplify right side
    3,928,446,659.64x = 12,235,970,680,311,928,832
  5. Step 5: Solve for x
    x = 12,235,970,680,311,928,832/3,928,446,659.64
  6. Step 6: Final answer
    x = 3,114,709,639.82

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1.5x scale

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.