Home / 885,864,198.14-1,222,527,556.40-509,520,182.12

Finding the Fourth Proportional to 885,864,198.14, 1,222,527,556.40 and 509,520,182.12

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Solution

The fourth proportional to 885,864,198.14, 1,222,527,556.40 and 509,520,182.12 is: 703,157,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,864,198.14 : 1,222,527,556.40 = 509,520,182.12 : x
  2. Step 2: Convert to fraction form
    885,864,198.14/1,222,527,556.40 = 509,520,182.12/x
  3. Step 3: Cross multiply
    885,864,198.14x = 1,222,527,556.40 × 509,520,182.12
  4. Step 4: Simplify right side
    885,864,198.14x = 622,902,463,179,558,656
  5. Step 5: Solve for x
    x = 622,902,463,179,558,656/885,864,198.14
  6. Step 6: Final answer
    x = 703,157,960.88

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Double scale
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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.