Home / 1,910,935,532.65-2,635,732,593.87-1,275,535,655.78

Finding the Fourth Proportional to 1,910,935,532.65, 2,635,732,593.87 and 1,275,535,655.78

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Solution

The fourth proportional to 1,910,935,532.65, 2,635,732,593.87 and 1,275,535,655.78 is: 1,759,332,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,935,532.65 : 2,635,732,593.87 = 1,275,535,655.78 : x
  2. Step 2: Convert to fraction form
    1,910,935,532.65/2,635,732,593.87 = 1,275,535,655.78/x
  3. Step 3: Cross multiply
    1,910,935,532.65x = 2,635,732,593.87 × 1,275,535,655.78
  4. Step 4: Simplify right side
    1,910,935,532.65x = 3,361,970,902,564,665,344
  5. Step 5: Solve for x
    x = 3,361,970,902,564,665,344/1,910,935,532.65
  6. Step 6: Final answer
    x = 1,759,332,455.29

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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.