Home / 319,346,401.20-479,019,601.80-174,227,578.80

Finding the Fourth Proportional to 319,346,401.20, 479,019,601.80 and 174,227,578.80

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Solution

The fourth proportional to 319,346,401.20, 479,019,601.80 and 174,227,578.80 is: 261,341,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,346,401.20 : 479,019,601.80 = 174,227,578.80 : x
  2. Step 2: Convert to fraction form
    319,346,401.20/479,019,601.80 = 174,227,578.80/x
  3. Step 3: Cross multiply
    319,346,401.20x = 479,019,601.80 × 174,227,578.80
  4. Step 4: Simplify right side
    319,346,401.20x = 83,458,425,419,354,128
  5. Step 5: Solve for x
    x = 83,458,425,419,354,128/319,346,401.20
  6. Step 6: Final answer
    x = 261,341,368.20

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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.