Home / 298,464,243.23-411,881,508.75-173,040,813.83

Finding the Fourth Proportional to 298,464,243.23, 411,881,508.75 and 173,040,813.83

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Solution

The fourth proportional to 298,464,243.23, 411,881,508.75 and 173,040,813.83 is: 238,796,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,464,243.23 : 411,881,508.75 = 173,040,813.83 : x
  2. Step 2: Convert to fraction form
    298,464,243.23/411,881,508.75 = 173,040,813.83/x
  3. Step 3: Cross multiply
    298,464,243.23x = 411,881,508.75 × 173,040,813.83
  4. Step 4: Simplify right side
    298,464,243.23x = 71,272,311,473,568,856
  5. Step 5: Solve for x
    x = 71,272,311,473,568,856/298,464,243.23
  6. Step 6: Final answer
    x = 238,796,817.68

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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.