Home / 404,320,405.21-604,884,872.23-306,234,664.88

Finding the Fourth Proportional to 404,320,405.21, 604,884,872.23 and 306,234,664.88

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Solution

The fourth proportional to 404,320,405.21, 604,884,872.23 and 306,234,664.88 is: 458,143,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,320,405.21 : 604,884,872.23 = 306,234,664.88 : x
  2. Step 2: Convert to fraction form
    404,320,405.21/604,884,872.23 = 306,234,664.88/x
  3. Step 3: Cross multiply
    404,320,405.21x = 604,884,872.23 × 306,234,664.88
  4. Step 4: Simplify right side
    404,320,405.21x = 185,236,716,134,545,632
  5. Step 5: Solve for x
    x = 185,236,716,134,545,632/404,320,405.21
  6. Step 6: Final answer
    x = 458,143,377.75

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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.