Home / 5,135,311,743.78-7,697,591,387.76-2,149,085,775.50

Finding the Fourth Proportional to 5,135,311,743.78, 7,697,591,387.76 and 2,149,085,775.50

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Solution

The fourth proportional to 5,135,311,743.78, 7,697,591,387.76 and 2,149,085,775.50 is: 3,221,378,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135,311,743.78 : 7,697,591,387.76 = 2,149,085,775.50 : x
  2. Step 2: Convert to fraction form
    5,135,311,743.78/7,697,591,387.76 = 2,149,085,775.50/x
  3. Step 3: Cross multiply
    5,135,311,743.78x = 7,697,591,387.76 × 2,149,085,775.50
  4. Step 4: Simplify right side
    5,135,311,743.78x = 16,542,784,157,046,321,152
  5. Step 5: Solve for x
    x = 16,542,784,157,046,321,152/5,135,311,743.78
  6. Step 6: Final answer
    x = 3,221,378,756.04

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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.