Home / 2,640,293,848.20-3,960,440,772.30-2,214,131,310.30

Finding the Fourth Proportional to 2,640,293,848.20, 3,960,440,772.30 and 2,214,131,310.30

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Solution

The fourth proportional to 2,640,293,848.20, 3,960,440,772.30 and 2,214,131,310.30 is: 3,321,196,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,293,848.20 : 3,960,440,772.30 = 2,214,131,310.30 : x
  2. Step 2: Convert to fraction form
    2,640,293,848.20/3,960,440,772.30 = 2,214,131,310.30/x
  3. Step 3: Cross multiply
    2,640,293,848.20x = 3,960,440,772.30 × 2,214,131,310.30
  4. Step 4: Simplify right side
    2,640,293,848.20x = 8,768,935,916,538,143,744
  5. Step 5: Solve for x
    x = 8,768,935,916,538,143,744/2,640,293,848.20
  6. Step 6: Final answer
    x = 3,321,196,965.45

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Double scale
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Similar ratio
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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.