Home / 635,346,472.86-876,506,160.24-396,777,481.47

Finding the Fourth Proportional to 635,346,472.86, 876,506,160.24 and 396,777,481.47

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Solution

The fourth proportional to 635,346,472.86, 876,506,160.24 and 396,777,481.47 is: 547,383,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,346,472.86 : 876,506,160.24 = 396,777,481.47 : x
  2. Step 2: Convert to fraction form
    635,346,472.86/876,506,160.24 = 396,777,481.47/x
  3. Step 3: Cross multiply
    635,346,472.86x = 876,506,160.24 × 396,777,481.47
  4. Step 4: Simplify right side
    635,346,472.86x = 347,777,906,752,967,488
  5. Step 5: Solve for x
    x = 347,777,906,752,967,488/635,346,472.86
  6. Step 6: Final answer
    x = 547,383,076.18

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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.