Home / 13,856,837,906.80-20,785,256,860.20-13,581,338,892.40

Finding the Fourth Proportional to 13,856,837,906.80, 20,785,256,860.20 and 13,581,338,892.40

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Solution

The fourth proportional to 13,856,837,906.80, 20,785,256,860.20 and 13,581,338,892.40 is: 20,372,008,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,837,906.80 : 20,785,256,860.20 = 13,581,338,892.40 : x
  2. Step 2: Convert to fraction form
    13,856,837,906.80/20,785,256,860.20 = 13,581,338,892.40/x
  3. Step 3: Cross multiply
    13,856,837,906.80x = 20,785,256,860.20 × 13,581,338,892.40
  4. Step 4: Simplify right side
    13,856,837,906.80x = 282,291,617,383,958,183,936
  5. Step 5: Solve for x
    x = 282,291,617,383,958,183,936/13,856,837,906.80
  6. Step 6: Final answer
    x = 20,372,008,338.60

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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.