Home / 1,080,963,722,348.40-1,491,631,338,654.40-641,425,356,548.70

Finding the Fourth Proportional to 1,080,963,722,348.40, 1,491,631,338,654.40 and 641,425,356,548.70

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Solution

The fourth proportional to 1,080,963,722,348.40, 1,491,631,338,654.40 and 641,425,356,548.70 is: 885,108,485,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,963,722,348.40 : 1,491,631,338,654.40 = 641,425,356,548.70 : x
  2. Step 2: Convert to fraction form
    1,080,963,722,348.40/1,491,631,338,654.40 = 641,425,356,548.70/x
  3. Step 3: Cross multiply
    1,080,963,722,348.40x = 1,491,631,338,654.40 × 641,425,356,548.70
  4. Step 4: Simplify right side
    1,080,963,722,348.40x = 956,770,163,235,613,002,694,656
  5. Step 5: Solve for x
    x = 956,770,163,235,613,002,694,656/1,080,963,722,348.40
  6. Step 6: Final answer
    x = 885,108,485,562.33

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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.