Home / 318,453,199.20-439,479,555.15-179,232,978.24

Finding the Fourth Proportional to 318,453,199.20, 439,479,555.15 and 179,232,978.24

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Solution

The fourth proportional to 318,453,199.20, 439,479,555.15 and 179,232,978.24 is: 247,349,468.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,453,199.20 : 439,479,555.15 = 179,232,978.24 : x
  2. Step 2: Convert to fraction form
    318,453,199.20/439,479,555.15 = 179,232,978.24/x
  3. Step 3: Cross multiply
    318,453,199.20x = 439,479,555.15 × 179,232,978.24
  4. Step 4: Simplify right side
    318,453,199.20x = 78,769,229,545,124,832
  5. Step 5: Solve for x
    x = 78,769,229,545,124,832/318,453,199.20
  6. Step 6: Final answer
    x = 247,349,468.44

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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.