Home / 13,513,756,912.21-20,256,445,696.78-4,546,833,318.12

Finding the Fourth Proportional to 13,513,756,912.21, 20,256,445,696.78 and 4,546,833,318.12

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Solution

The fourth proportional to 13,513,756,912.21, 20,256,445,696.78 and 4,546,833,318.12 is: 6,815,475,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,756,912.21 : 20,256,445,696.78 = 4,546,833,318.12 : x
  2. Step 2: Convert to fraction form
    13,513,756,912.21/20,256,445,696.78 = 4,546,833,318.12/x
  3. Step 3: Cross multiply
    13,513,756,912.21x = 20,256,445,696.78 × 4,546,833,318.12
  4. Step 4: Simplify right side
    13,513,756,912.21x = 92,102,682,200,807,800,832
  5. Step 5: Solve for x
    x = 92,102,682,200,807,800,832/13,513,756,912.21
  6. Step 6: Final answer
    x = 6,815,475,725.89

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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.