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Finding the Fourth Proportional to 764,722,224.80, 1,144,959,970.80 and 743,488,560.80

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Solution

The fourth proportional to 764,722,224.80, 1,144,959,970.80 and 743,488,560.80 is: 1,113,168,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,722,224.80 : 1,144,959,970.80 = 743,488,560.80 : x
  2. Step 2: Convert to fraction form
    764,722,224.80/1,144,959,970.80 = 743,488,560.80/x
  3. Step 3: Cross multiply
    764,722,224.80x = 1,144,959,970.80 × 743,488,560.80
  4. Step 4: Simplify right side
    764,722,224.80x = 851,264,640,863,701,888
  5. Step 5: Solve for x
    x = 851,264,640,863,701,888/764,722,224.80
  6. Step 6: Final answer
    x = 1,113,168,433.27

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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.