Home / 12,469,839,426.75-17,208,241,318.04-6,753,981,663.12

Finding the Fourth Proportional to 12,469,839,426.75, 17,208,241,318.04 and 6,753,981,663.12

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Solution

The fourth proportional to 12,469,839,426.75, 17,208,241,318.04 and 6,753,981,663.12 is: 9,320,420,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,839,426.75 : 17,208,241,318.04 = 6,753,981,663.12 : x
  2. Step 2: Convert to fraction form
    12,469,839,426.75/17,208,241,318.04 = 6,753,981,663.12/x
  3. Step 3: Cross multiply
    12,469,839,426.75x = 17,208,241,318.04 × 6,753,981,663.12
  4. Step 4: Simplify right side
    12,469,839,426.75x = 116,224,146,316,552,323,072
  5. Step 5: Solve for x
    x = 116,224,146,316,552,323,072/12,469,839,426.75
  6. Step 6: Final answer
    x = 9,320,420,443.20

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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.