Home / 319,895,249.36-441,456,044.49-178,766,470.76

Finding the Fourth Proportional to 319,895,249.36, 441,456,044.49 and 178,766,470.76

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Solution

The fourth proportional to 319,895,249.36, 441,456,044.49 and 178,766,470.76 is: 246,698,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,895,249.36 : 441,456,044.49 = 178,766,470.76 : x
  2. Step 2: Convert to fraction form
    319,895,249.36/441,456,044.49 = 178,766,470.76/x
  3. Step 3: Cross multiply
    319,895,249.36x = 441,456,044.49 × 178,766,470.76
  4. Step 4: Simplify right side
    319,895,249.36x = 78,917,539,066,939,568
  5. Step 5: Solve for x
    x = 78,917,539,066,939,568/319,895,249.36
  6. Step 6: Final answer
    x = 246,698,065.15

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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.