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Finding the Fourth Proportional to 10,637,568,984.80, 14,917,085,380 and 10,637,568,984.80

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Solution

The fourth proportional to 10,637,568,984.80, 14,917,085,380 and 10,637,568,984.80 is: 14,917,085,380

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637,568,984.80 : 14,917,085,380 = 10,637,568,984.80 : x
  2. Step 2: Convert to fraction form
    10,637,568,984.80/14,917,085,380 = 10,637,568,984.80/x
  3. Step 3: Cross multiply
    10,637,568,984.80x = 14,917,085,380 × 10,637,568,984.80
  4. Step 4: Simplify right side
    10,637,568,984.80x = 158,681,524,781,901,512,704
  5. Step 5: Solve for x
    x = 158,681,524,781,901,512,704/10,637,568,984.80
  6. Step 6: Final answer
    x = 14,917,085,380

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.