Home / 13,647,743,998.90-20,471,615,998.35-6,301,103,614.90

Finding the Fourth Proportional to 13,647,743,998.90, 20,471,615,998.35 and 6,301,103,614.90

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Solution

The fourth proportional to 13,647,743,998.90, 20,471,615,998.35 and 6,301,103,614.90 is: 9,451,655,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647,743,998.90 : 20,471,615,998.35 = 6,301,103,614.90 : x
  2. Step 2: Convert to fraction form
    13,647,743,998.90/20,471,615,998.35 = 6,301,103,614.90/x
  3. Step 3: Cross multiply
    13,647,743,998.90x = 20,471,615,998.35 × 6,301,103,614.90
  4. Step 4: Simplify right side
    13,647,743,998.90x = 128,993,773,570,047,836,160
  5. Step 5: Solve for x
    x = 128,993,773,570,047,836,160/13,647,743,998.90
  6. Step 6: Final answer
    x = 9,451,655,422.35

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Double scale
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Similar ratio
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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.