Home / 331,609,084.20-497,408,960.70-149,855,970.60

Finding the Fourth Proportional to 331,609,084.20, 497,408,960.70 and 149,855,970.60

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Solution

The fourth proportional to 331,609,084.20, 497,408,960.70 and 149,855,970.60 is: 224,781,847.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,609,084.20 : 497,408,960.70 = 149,855,970.60 : x
  2. Step 2: Convert to fraction form
    331,609,084.20/497,408,960.70 = 149,855,970.60/x
  3. Step 3: Cross multiply
    331,609,084.20x = 497,408,960.70 × 149,855,970.60
  4. Step 4: Simplify right side
    331,609,084.20x = 74,539,702,590,835,744
  5. Step 5: Solve for x
    x = 74,539,702,590,835,744/331,609,084.20
  6. Step 6: Final answer
    x = 224,781,847.49

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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.