Home / 331,776,138.80-497,664,208.20-251,154,570.80

Finding the Fourth Proportional to 331,776,138.80, 497,664,208.20 and 251,154,570.80

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Solution

The fourth proportional to 331,776,138.80, 497,664,208.20 and 251,154,570.80 is: 376,731,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,138.80 : 497,664,208.20 = 251,154,570.80 : x
  2. Step 2: Convert to fraction form
    331,776,138.80/497,664,208.20 = 251,154,570.80/x
  3. Step 3: Cross multiply
    331,776,138.80x = 497,664,208.20 × 251,154,570.80
  4. Step 4: Simplify right side
    331,776,138.80x = 124,990,640,612,992,848
  5. Step 5: Solve for x
    x = 124,990,640,612,992,848/331,776,138.80
  6. Step 6: Final answer
    x = 376,731,856.20

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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.