Home / 12,469,839,427.75-17,208,241,319.42-6,753,981,664.12

Finding the Fourth Proportional to 12,469,839,427.75, 17,208,241,319.42 and 6,753,981,664.12

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Solution

The fourth proportional to 12,469,839,427.75, 17,208,241,319.42 and 6,753,981,664.12 is: 9,320,420,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,839,427.75 : 17,208,241,319.42 = 6,753,981,664.12 : x
  2. Step 2: Convert to fraction form
    12,469,839,427.75/17,208,241,319.42 = 6,753,981,664.12/x
  3. Step 3: Cross multiply
    12,469,839,427.75x = 17,208,241,319.42 × 6,753,981,664.12
  4. Step 4: Simplify right side
    12,469,839,427.75x = 116,224,146,343,114,817,536
  5. Step 5: Solve for x
    x = 116,224,146,343,114,817,536/12,469,839,427.75
  6. Step 6: Final answer
    x = 9,320,420,444.59

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Double scale
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1.5x scale

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.