Home / 356,663,664.20-534,995,496.30-319,250,217.80

Finding the Fourth Proportional to 356,663,664.20, 534,995,496.30 and 319,250,217.80

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Solution

The fourth proportional to 356,663,664.20, 534,995,496.30 and 319,250,217.80 is: 478,875,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,663,664.20 : 534,995,496.30 = 319,250,217.80 : x
  2. Step 2: Convert to fraction form
    356,663,664.20/534,995,496.30 = 319,250,217.80/x
  3. Step 3: Cross multiply
    356,663,664.20x = 534,995,496.30 × 319,250,217.80
  4. Step 4: Simplify right side
    356,663,664.20x = 170,797,428,715,794,112
  5. Step 5: Solve for x
    x = 170,797,428,715,794,112/356,663,664.20
  6. Step 6: Final answer
    x = 478,875,326.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.