Home / 13,436,993,497.60-20,155,490,246.40-12,457,441,446.40

Finding the Fourth Proportional to 13,436,993,497.60, 20,155,490,246.40 and 12,457,441,446.40

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Solution

The fourth proportional to 13,436,993,497.60, 20,155,490,246.40 and 12,457,441,446.40 is: 18,686,162,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,993,497.60 : 20,155,490,246.40 = 12,457,441,446.40 : x
  2. Step 2: Convert to fraction form
    13,436,993,497.60/20,155,490,246.40 = 12,457,441,446.40/x
  3. Step 3: Cross multiply
    13,436,993,497.60x = 20,155,490,246.40 × 12,457,441,446.40
  4. Step 4: Simplify right side
    13,436,993,497.60x = 251,085,839,568,014,311,424
  5. Step 5: Solve for x
    x = 251,085,839,568,014,311,424/13,436,993,497.60
  6. Step 6: Final answer
    x = 18,686,162,169.60

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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.