Home / 366,238,520-505,284,160.20-226,958,462.72

Finding the Fourth Proportional to 366,238,520, 505,284,160.20 and 226,958,462.72

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Solution

The fourth proportional to 366,238,520, 505,284,160.20 and 226,958,462.72 is: 313,125,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,238,520 : 505,284,160.20 = 226,958,462.72 : x
  2. Step 2: Convert to fraction form
    366,238,520/505,284,160.20 = 226,958,462.72/x
  3. Step 3: Cross multiply
    366,238,520x = 505,284,160.20 × 226,958,462.72
  4. Step 4: Simplify right side
    366,238,520x = 114,678,516,235,758,208
  5. Step 5: Solve for x
    x = 114,678,516,235,758,208/366,238,520
  6. Step 6: Final answer
    x = 313,125,217.51

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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.