Home / 809,107,059.84-1,213,661,179.68-195,691,876.32

Finding the Fourth Proportional to 809,107,059.84, 1,213,661,179.68 and 195,691,876.32

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Solution

The fourth proportional to 809,107,059.84, 1,213,661,179.68 and 195,691,876.32 is: 293,537,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,107,059.84 : 1,213,661,179.68 = 195,691,876.32 : x
  2. Step 2: Convert to fraction form
    809,107,059.84/1,213,661,179.68 = 195,691,876.32/x
  3. Step 3: Cross multiply
    809,107,059.84x = 1,213,661,179.68 × 195,691,876.32
  4. Step 4: Simplify right side
    809,107,059.84x = 237,503,633,468,323,872
  5. Step 5: Solve for x
    x = 237,503,633,468,323,872/809,107,059.84
  6. Step 6: Final answer
    x = 293,537,957.16

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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.