Home / 6,720,573,185.60-10,077,836,469.60-2,578,640,129.60

Finding the Fourth Proportional to 6,720,573,185.60, 10,077,836,469.60 and 2,578,640,129.60

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Solution

The fourth proportional to 6,720,573,185.60, 10,077,836,469.60 and 2,578,640,129.60 is: 3,866,800,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720,573,185.60 : 10,077,836,469.60 = 2,578,640,129.60 : x
  2. Step 2: Convert to fraction form
    6,720,573,185.60/10,077,836,469.60 = 2,578,640,129.60/x
  3. Step 3: Cross multiply
    6,720,573,185.60x = 10,077,836,469.60 × 2,578,640,129.60
  4. Step 4: Simplify right side
    6,720,573,185.60x = 25,987,113,540,056,948,736
  5. Step 5: Solve for x
    x = 25,987,113,540,056,948,736/6,720,573,185.60
  6. Step 6: Final answer
    x = 3,866,800,170.52

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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.