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Finding the Fourth Proportional to 560,770,453.44, 773,869,571.64 and 309,873,811.20

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Solution

The fourth proportional to 560,770,453.44, 773,869,571.64 and 309,873,811.20 is: 427,629,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,770,453.44 : 773,869,571.64 = 309,873,811.20 : x
  2. Step 2: Convert to fraction form
    560,770,453.44/773,869,571.64 = 309,873,811.20/x
  3. Step 3: Cross multiply
    560,770,453.44x = 773,869,571.64 × 309,873,811.20
  4. Step 4: Simplify right side
    560,770,453.44x = 239,801,913,535,798,208
  5. Step 5: Solve for x
    x = 239,801,913,535,798,208/560,770,453.44
  6. Step 6: Final answer
    x = 427,629,366.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.