Home / 20,096,940,020.40-30,145,410,030.60-19,787,003,629.20

Finding the Fourth Proportional to 20,096,940,020.40, 30,145,410,030.60 and 19,787,003,629.20

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Solution

The fourth proportional to 20,096,940,020.40, 30,145,410,030.60 and 19,787,003,629.20 is: 29,680,505,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096,940,020.40 : 30,145,410,030.60 = 19,787,003,629.20 : x
  2. Step 2: Convert to fraction form
    20,096,940,020.40/30,145,410,030.60 = 19,787,003,629.20/x
  3. Step 3: Cross multiply
    20,096,940,020.40x = 30,145,410,030.60 × 19,787,003,629.20
  4. Step 4: Simplify right side
    20,096,940,020.40x = 596,487,337,679,204,253,696
  5. Step 5: Solve for x
    x = 596,487,337,679,204,253,696/20,096,940,020.40
  6. Step 6: Final answer
    x = 29,680,505,443.80

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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.