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Finding the Fourth Proportional to 8,447,662,351.80, 11,851,216,093.80 and 8,447,662,351.80

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Solution

The fourth proportional to 8,447,662,351.80, 11,851,216,093.80 and 8,447,662,351.80 is: 11,851,216,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447,662,351.80 : 11,851,216,093.80 = 8,447,662,351.80 : x
  2. Step 2: Convert to fraction form
    8,447,662,351.80/11,851,216,093.80 = 8,447,662,351.80/x
  3. Step 3: Cross multiply
    8,447,662,351.80x = 11,851,216,093.80 × 8,447,662,351.80
  4. Step 4: Simplify right side
    8,447,662,351.80x = 100,115,072,018,640,519,168
  5. Step 5: Solve for x
    x = 100,115,072,018,640,519,168/8,447,662,351.80
  6. Step 6: Final answer
    x = 11,851,216,093.80

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1.5x scale

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.