Home / 2,631,394,885.08-3,947,055,132.72-639,451,585.44

Finding the Fourth Proportional to 2,631,394,885.08, 3,947,055,132.72 and 639,451,585.44

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Solution

The fourth proportional to 2,631,394,885.08, 3,947,055,132.72 and 639,451,585.44 is: 959,168,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,394,885.08 : 3,947,055,132.72 = 639,451,585.44 : x
  2. Step 2: Convert to fraction form
    2,631,394,885.08/3,947,055,132.72 = 639,451,585.44/x
  3. Step 3: Cross multiply
    2,631,394,885.08x = 3,947,055,132.72 × 639,451,585.44
  4. Step 4: Simplify right side
    2,631,394,885.08x = 2,523,950,662,436,893,696
  5. Step 5: Solve for x
    x = 2,523,950,662,436,893,696/2,631,394,885.08
  6. Step 6: Final answer
    x = 959,168,339.48

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Double scale
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1.5x scale

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.