Home / 1,335,801,906.48-1,843,198,744.14-763,576,789.80

Finding the Fourth Proportional to 1,335,801,906.48, 1,843,198,744.14 and 763,576,789.80

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Solution

The fourth proportional to 1,335,801,906.48, 1,843,198,744.14 and 763,576,789.80 is: 1,053,617,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,801,906.48 : 1,843,198,744.14 = 763,576,789.80 : x
  2. Step 2: Convert to fraction form
    1,335,801,906.48/1,843,198,744.14 = 763,576,789.80/x
  3. Step 3: Cross multiply
    1,335,801,906.48x = 1,843,198,744.14 × 763,576,789.80
  4. Step 4: Simplify right side
    1,335,801,906.48x = 1,407,423,780,013,812,736
  5. Step 5: Solve for x
    x = 1,407,423,780,013,812,736/1,335,801,906.48
  6. Step 6: Final answer
    x = 1,053,617,136.78

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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.