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Finding the Fourth Proportional to 3,593,376,783.60, 5,390,065,175.40 and 870,159,375.60

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Solution

The fourth proportional to 3,593,376,783.60, 5,390,065,175.40 and 870,159,375.60 is: 1,305,239,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593,376,783.60 : 5,390,065,175.40 = 870,159,375.60 : x
  2. Step 2: Convert to fraction form
    3,593,376,783.60/5,390,065,175.40 = 870,159,375.60/x
  3. Step 3: Cross multiply
    3,593,376,783.60x = 5,390,065,175.40 × 870,159,375.60
  4. Step 4: Simplify right side
    3,593,376,783.60x = 4,690,215,747,469,368,320
  5. Step 5: Solve for x
    x = 4,690,215,747,469,368,320/3,593,376,783.60
  6. Step 6: Final answer
    x = 1,305,239,063.40

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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.