Home / 322,896,383.69-445,734,745.92-217,111,115.07

Finding the Fourth Proportional to 322,896,383.69, 445,734,745.92 and 217,111,115.07

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Solution

The fourth proportional to 322,896,383.69, 445,734,745.92 and 217,111,115.07 is: 299,705,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,896,383.69 : 445,734,745.92 = 217,111,115.07 : x
  2. Step 2: Convert to fraction form
    322,896,383.69/445,734,745.92 = 217,111,115.07/x
  3. Step 3: Cross multiply
    322,896,383.69x = 445,734,745.92 × 217,111,115.07
  4. Step 4: Simplify right side
    322,896,383.69x = 96,773,967,712,134,336
  5. Step 5: Solve for x
    x = 96,773,967,712,134,336/322,896,383.69
  6. Step 6: Final answer
    x = 299,705,950.89

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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.