Home / 13,489,419,272.40-20,234,128,908.60-13,259,836,760.40

Finding the Fourth Proportional to 13,489,419,272.40, 20,234,128,908.60 and 13,259,836,760.40

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Solution

The fourth proportional to 13,489,419,272.40, 20,234,128,908.60 and 13,259,836,760.40 is: 19,889,755,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489,419,272.40 : 20,234,128,908.60 = 13,259,836,760.40 : x
  2. Step 2: Convert to fraction form
    13,489,419,272.40/20,234,128,908.60 = 13,259,836,760.40/x
  3. Step 3: Cross multiply
    13,489,419,272.40x = 20,234,128,908.60 × 13,259,836,760.40
  4. Step 4: Simplify right side
    13,489,419,272.40x = 268,301,246,316,926,599,168
  5. Step 5: Solve for x
    x = 268,301,246,316,926,599,168/13,489,419,272.40
  6. Step 6: Final answer
    x = 19,889,755,140.60

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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.