Home / 694,920,640.65-1,042,380,123.44-177,351,136.49

Finding the Fourth Proportional to 694,920,640.65, 1,042,380,123.44 and 177,351,136.49

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Solution

The fourth proportional to 694,920,640.65, 1,042,380,123.44 and 177,351,136.49 is: 266,026,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,920,640.65 : 1,042,380,123.44 = 177,351,136.49 : x
  2. Step 2: Convert to fraction form
    694,920,640.65/1,042,380,123.44 = 177,351,136.49/x
  3. Step 3: Cross multiply
    694,920,640.65x = 1,042,380,123.44 × 177,351,136.49
  4. Step 4: Simplify right side
    694,920,640.65x = 184,867,299,540,571,840
  5. Step 5: Solve for x
    x = 184,867,299,540,571,840/694,920,640.65
  6. Step 6: Final answer
    x = 266,026,490.98

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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.