Home / 379,115,376-568,695,109.28-106,507,400.64

Finding the Fourth Proportional to 379,115,376, 568,695,109.28 and 106,507,400.64

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Solution

The fourth proportional to 379,115,376, 568,695,109.28 and 106,507,400.64 is: 159,767,294.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,115,376 : 568,695,109.28 = 106,507,400.64 : x
  2. Step 2: Convert to fraction form
    379,115,376/568,695,109.28 = 106,507,400.64/x
  3. Step 3: Cross multiply
    379,115,376x = 568,695,109.28 × 106,507,400.64
  4. Step 4: Simplify right side
    379,115,376x = 60,570,237,846,093,536
  5. Step 5: Solve for x
    x = 60,570,237,846,093,536/379,115,376
  6. Step 6: Final answer
    x = 159,767,294.29

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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.