Home / 379,521,909.60-569,328,930.72-106,892,676.48

Finding the Fourth Proportional to 379,521,909.60, 569,328,930.72 and 106,892,676.48

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Solution

The fourth proportional to 379,521,909.60, 569,328,930.72 and 106,892,676.48 is: 160,351,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,521,909.60 : 569,328,930.72 = 106,892,676.48 : x
  2. Step 2: Convert to fraction form
    379,521,909.60/569,328,930.72 = 106,892,676.48/x
  3. Step 3: Cross multiply
    379,521,909.60x = 569,328,930.72 × 106,892,676.48
  4. Step 4: Simplify right side
    379,521,909.60x = 60,857,093,202,157,296
  5. Step 5: Solve for x
    x = 60,857,093,202,157,296/379,521,909.60
  6. Step 6: Final answer
    x = 160,351,989.34

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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.