Home / 217,752,490.80-326,628,736.20-197,597,098.80

Finding the Fourth Proportional to 217,752,490.80, 326,628,736.20 and 197,597,098.80

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Solution

The fourth proportional to 217,752,490.80, 326,628,736.20 and 197,597,098.80 is: 296,395,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,752,490.80 : 326,628,736.20 = 197,597,098.80 : x
  2. Step 2: Convert to fraction form
    217,752,490.80/326,628,736.20 = 197,597,098.80/x
  3. Step 3: Cross multiply
    217,752,490.80x = 326,628,736.20 × 197,597,098.80
  4. Step 4: Simplify right side
    217,752,490.80x = 64,540,890,657,830,536
  5. Step 5: Solve for x
    x = 64,540,890,657,830,536/217,752,490.80
  6. Step 6: Final answer
    x = 296,395,648.20

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Similar ratio
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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.