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Finding the Fourth Proportional to 2,940,804,936.65, 4,127,458,124.35 and 2,940,804,936.65

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Solution

The fourth proportional to 2,940,804,936.65, 4,127,458,124.35 and 2,940,804,936.65 is: 4,127,458,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,804,936.65 : 4,127,458,124.35 = 2,940,804,936.65 : x
  2. Step 2: Convert to fraction form
    2,940,804,936.65/4,127,458,124.35 = 2,940,804,936.65/x
  3. Step 3: Cross multiply
    2,940,804,936.65x = 4,127,458,124.35 × 2,940,804,936.65
  4. Step 4: Simplify right side
    2,940,804,936.65x = 12,138,049,227,904,628,736
  5. Step 5: Solve for x
    x = 12,138,049,227,904,628,736/2,940,804,936.65
  6. Step 6: Final answer
    x = 4,127,458,124.35

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.