Home / 356,791,732.20-535,187,598.30-319,378,285.80

Finding the Fourth Proportional to 356,791,732.20, 535,187,598.30 and 319,378,285.80

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Solution

The fourth proportional to 356,791,732.20, 535,187,598.30 and 319,378,285.80 is: 479,067,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,791,732.20 : 535,187,598.30 = 319,378,285.80 : x
  2. Step 2: Convert to fraction form
    356,791,732.20/535,187,598.30 = 319,378,285.80/x
  3. Step 3: Cross multiply
    356,791,732.20x = 535,187,598.30 × 319,378,285.80
  4. Step 4: Simplify right side
    356,791,732.20x = 170,927,297,726,472,992
  5. Step 5: Solve for x
    x = 170,927,297,726,472,992/356,791,732.20
  6. Step 6: Final answer
    x = 479,067,428.70

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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.