Home / 326,414,890.20-489,622,335.30-229,480,051.80

Finding the Fourth Proportional to 326,414,890.20, 489,622,335.30 and 229,480,051.80

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Solution

The fourth proportional to 326,414,890.20, 489,622,335.30 and 229,480,051.80 is: 344,220,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,414,890.20 : 489,622,335.30 = 229,480,051.80 : x
  2. Step 2: Convert to fraction form
    326,414,890.20/489,622,335.30 = 229,480,051.80/x
  3. Step 3: Cross multiply
    326,414,890.20x = 489,622,335.30 × 229,480,051.80
  4. Step 4: Simplify right side
    326,414,890.20x = 112,358,558,867,080,976
  5. Step 5: Solve for x
    x = 112,358,558,867,080,976/326,414,890.20
  6. Step 6: Final answer
    x = 344,220,077.70

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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.