Home / 12,113,073,286.40-18,171,310,540.80-3,831,096,742.40

Finding the Fourth Proportional to 12,113,073,286.40, 18,171,310,540.80 and 3,831,096,742.40

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Solution

The fourth proportional to 12,113,073,286.40, 18,171,310,540.80 and 3,831,096,742.40 is: 5,747,182,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113,073,286.40 : 18,171,310,540.80 = 3,831,096,742.40 : x
  2. Step 2: Convert to fraction form
    12,113,073,286.40/18,171,310,540.80 = 3,831,096,742.40/x
  3. Step 3: Cross multiply
    12,113,073,286.40x = 18,171,310,540.80 × 3,831,096,742.40
  4. Step 4: Simplify right side
    12,113,073,286.40x = 69,616,048,617,997,664,256
  5. Step 5: Solve for x
    x = 69,616,048,617,997,664,256/12,113,073,286.40
  6. Step 6: Final answer
    x = 5,747,182,979.25

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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.