Home / 18,160,338,640.80-27,240,507,961.20-11,150,419,274.40

Finding the Fourth Proportional to 18,160,338,640.80, 27,240,507,961.20 and 11,150,419,274.40

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Solution

The fourth proportional to 18,160,338,640.80, 27,240,507,961.20 and 11,150,419,274.40 is: 16,725,628,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160,338,640.80 : 27,240,507,961.20 = 11,150,419,274.40 : x
  2. Step 2: Convert to fraction form
    18,160,338,640.80/27,240,507,961.20 = 11,150,419,274.40/x
  3. Step 3: Cross multiply
    18,160,338,640.80x = 27,240,507,961.20 × 11,150,419,274.40
  4. Step 4: Simplify right side
    18,160,338,640.80x = 303,743,085,015,011,098,624
  5. Step 5: Solve for x
    x = 303,743,085,015,011,098,624/18,160,338,640.80
  6. Step 6: Final answer
    x = 16,725,628,911.60

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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.