Home / 318,733,231.35-439,847,388.18-177,610,399.82

Finding the Fourth Proportional to 318,733,231.35, 439,847,388.18 and 177,610,399.82

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Solution

The fourth proportional to 318,733,231.35, 439,847,388.18 and 177,610,399.82 is: 245,099,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,733,231.35 : 439,847,388.18 = 177,610,399.82 : x
  2. Step 2: Convert to fraction form
    318,733,231.35/439,847,388.18 = 177,610,399.82/x
  3. Step 3: Cross multiply
    318,733,231.35x = 439,847,388.18 × 177,610,399.82
  4. Step 4: Simplify right side
    318,733,231.35x = 78,121,470,472,233,312
  5. Step 5: Solve for x
    x = 78,121,470,472,233,312/318,733,231.35
  6. Step 6: Final answer
    x = 245,099,860.29

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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.