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Finding the Fourth Proportional to 874,589,792.39, 1,200,509,455.66 and 773,250,636.71

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Solution

The fourth proportional to 874,589,792.39, 1,200,509,455.66 and 773,250,636.71 is: 1,061,405,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,589,792.39 : 1,200,509,455.66 = 773,250,636.71 : x
  2. Step 2: Convert to fraction form
    874,589,792.39/1,200,509,455.66 = 773,250,636.71/x
  3. Step 3: Cross multiply
    874,589,792.39x = 1,200,509,455.66 × 773,250,636.71
  4. Step 4: Simplify right side
    874,589,792.39x = 928,294,700,959,468,032
  5. Step 5: Solve for x
    x = 928,294,700,959,468,032/874,589,792.39
  6. Step 6: Final answer
    x = 1,061,405,825.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.