Home / 298,863,866.18-412,442,391.03-173,406,588.50

Finding the Fourth Proportional to 298,863,866.18, 412,442,391.03 and 173,406,588.50

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Solution

The fourth proportional to 298,863,866.18, 412,442,391.03 and 173,406,588.50 is: 239,307,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,863,866.18 : 412,442,391.03 = 173,406,588.50 : x
  2. Step 2: Convert to fraction form
    298,863,866.18/412,442,391.03 = 173,406,588.50/x
  3. Step 3: Cross multiply
    298,863,866.18x = 412,442,391.03 × 173,406,588.50
  4. Step 4: Simplify right side
    298,863,866.18x = 71,520,227,981,295,296
  5. Step 5: Solve for x
    x = 71,520,227,981,295,296/298,863,866.18
  6. Step 6: Final answer
    x = 239,307,042.69

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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.