Home / 439,859,548,195.68-659,433,271,786.68-137,516,522,911.28

Finding the Fourth Proportional to 439,859,548,195.68, 659,433,271,786.68 and 137,516,522,911.28

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Solution

The fourth proportional to 439,859,548,195.68, 659,433,271,786.68 and 137,516,522,911.28 is: 206,163,469,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,859,548,195.68 : 659,433,271,786.68 = 137,516,522,911.28 : x
  2. Step 2: Convert to fraction form
    439,859,548,195.68/659,433,271,786.68 = 137,516,522,911.28/x
  3. Step 3: Cross multiply
    439,859,548,195.68x = 659,433,271,786.68 × 137,516,522,911.28
  4. Step 4: Simplify right side
    439,859,548,195.68x = 90,682,970,628,113,318,281,216
  5. Step 5: Solve for x
    x = 90,682,970,628,113,318,281,216/439,859,548,195.68
  6. Step 6: Final answer
    x = 206,163,469,680.49

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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.