Home / 449,479,429.92-620,279,818.20-251,240,710.32

Finding the Fourth Proportional to 449,479,429.92, 620,279,818.20 and 251,240,710.32

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Solution

The fourth proportional to 449,479,429.92, 620,279,818.20 and 251,240,710.32 is: 346,711,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,479,429.92 : 620,279,818.20 = 251,240,710.32 : x
  2. Step 2: Convert to fraction form
    449,479,429.92/620,279,818.20 = 251,240,710.32/x
  3. Step 3: Cross multiply
    449,479,429.92x = 620,279,818.20 × 251,240,710.32
  4. Step 4: Simplify right side
    449,479,429.92x = 155,839,542,121,728,480
  5. Step 5: Solve for x
    x = 155,839,542,121,728,480/449,479,429.92
  6. Step 6: Final answer
    x = 346,711,176.86

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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.