Home / 298,454,299.03-411,867,786.86-173,030,879.35

Finding the Fourth Proportional to 298,454,299.03, 411,867,786.86 and 173,030,879.35

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Solution

The fourth proportional to 298,454,299.03, 411,867,786.86 and 173,030,879.35 is: 238,783,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,454,299.03 : 411,867,786.86 = 173,030,879.35 : x
  2. Step 2: Convert to fraction form
    298,454,299.03/411,867,786.86 = 173,030,879.35/x
  3. Step 3: Cross multiply
    298,454,299.03x = 411,867,786.86 × 173,030,879.35
  4. Step 4: Simplify right side
    298,454,299.03x = 71,265,845,336,324,176
  5. Step 5: Solve for x
    x = 71,265,845,336,324,176/298,454,299.03
  6. Step 6: Final answer
    x = 238,783,108.73

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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.