Home / 412,884,231.72-619,231,707.09-117,773,734.38

Finding the Fourth Proportional to 412,884,231.72, 619,231,707.09 and 117,773,734.38

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Solution

The fourth proportional to 412,884,231.72, 619,231,707.09 and 117,773,734.38 is: 176,633,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,884,231.72 : 619,231,707.09 = 117,773,734.38 : x
  2. Step 2: Convert to fraction form
    412,884,231.72/619,231,707.09 = 117,773,734.38/x
  3. Step 3: Cross multiply
    412,884,231.72x = 619,231,707.09 × 117,773,734.38
  4. Step 4: Simplify right side
    412,884,231.72x = 72,929,230,590,491,616
  5. Step 5: Solve for x
    x = 72,929,230,590,491,616/412,884,231.72
  6. Step 6: Final answer
    x = 176,633,605.71

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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.