Home / 7,121,250,850.16-9,826,026,766.44-4,109,404,787.84

Finding the Fourth Proportional to 7,121,250,850.16, 9,826,026,766.44 and 4,109,404,787.84

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Solution

The fourth proportional to 7,121,250,850.16, 9,826,026,766.44 and 4,109,404,787.84 is: 5,670,228,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,250,850.16 : 9,826,026,766.44 = 4,109,404,787.84 : x
  2. Step 2: Convert to fraction form
    7,121,250,850.16/9,826,026,766.44 = 4,109,404,787.84/x
  3. Step 3: Cross multiply
    7,121,250,850.16x = 9,826,026,766.44 × 4,109,404,787.84
  4. Step 4: Simplify right side
    7,121,250,850.16x = 40,379,121,439,452,536,832
  5. Step 5: Solve for x
    x = 40,379,121,439,452,536,832/7,121,250,850.16
  6. Step 6: Final answer
    x = 5,670,228,768.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.