Home / 13,436,993,378.60-20,155,490,067.90-12,457,441,327.40

Finding the Fourth Proportional to 13,436,993,378.60, 20,155,490,067.90 and 12,457,441,327.40

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Solution

The fourth proportional to 13,436,993,378.60, 20,155,490,067.90 and 12,457,441,327.40 is: 18,686,161,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,993,378.60 : 20,155,490,067.90 = 12,457,441,327.40 : x
  2. Step 2: Convert to fraction form
    13,436,993,378.60/20,155,490,067.90 = 12,457,441,327.40/x
  3. Step 3: Cross multiply
    13,436,993,378.60x = 20,155,490,067.90 × 12,457,441,327.40
  4. Step 4: Simplify right side
    13,436,993,378.60x = 251,085,834,945,857,716,224
  5. Step 5: Solve for x
    x = 251,085,834,945,857,716,224/13,436,993,378.60
  6. Step 6: Final answer
    x = 18,686,161,991.10

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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.