Home / 2,640,293,965.20-3,960,440,947.80-2,214,131,427.30

Finding the Fourth Proportional to 2,640,293,965.20, 3,960,440,947.80 and 2,214,131,427.30

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Solution

The fourth proportional to 2,640,293,965.20, 3,960,440,947.80 and 2,214,131,427.30 is: 3,321,197,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,293,965.20 : 3,960,440,947.80 = 2,214,131,427.30 : x
  2. Step 2: Convert to fraction form
    2,640,293,965.20/3,960,440,947.80 = 2,214,131,427.30/x
  3. Step 3: Cross multiply
    2,640,293,965.20x = 3,960,440,947.80 × 2,214,131,427.30
  4. Step 4: Simplify right side
    2,640,293,965.20x = 8,768,936,768,489,780,224
  5. Step 5: Solve for x
    x = 8,768,936,768,489,780,224/2,640,293,965.20
  6. Step 6: Final answer
    x = 3,321,197,140.95

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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.