Home / 331,903,467.20-497,855,200.80-178,848,459.20

Finding the Fourth Proportional to 331,903,467.20, 497,855,200.80 and 178,848,459.20

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Solution

The fourth proportional to 331,903,467.20, 497,855,200.80 and 178,848,459.20 is: 268,272,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,903,467.20 : 497,855,200.80 = 178,848,459.20 : x
  2. Step 2: Convert to fraction form
    331,903,467.20/497,855,200.80 = 178,848,459.20/x
  3. Step 3: Cross multiply
    331,903,467.20x = 497,855,200.80 × 178,848,459.20
  4. Step 4: Simplify right side
    331,903,467.20x = 89,040,635,567,786,608
  5. Step 5: Solve for x
    x = 89,040,635,567,786,608/331,903,467.20
  6. Step 6: Final answer
    x = 268,272,688.80

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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.