Home / 331,996,384.80-497,994,577.20-159,431,587.20

Finding the Fourth Proportional to 331,996,384.80, 497,994,577.20 and 159,431,587.20

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Solution

The fourth proportional to 331,996,384.80, 497,994,577.20 and 159,431,587.20 is: 239,147,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,996,384.80 : 497,994,577.20 = 159,431,587.20 : x
  2. Step 2: Convert to fraction form
    331,996,384.80/497,994,577.20 = 159,431,587.20/x
  3. Step 3: Cross multiply
    331,996,384.80x = 497,994,577.20 × 159,431,587.20
  4. Step 4: Simplify right side
    331,996,384.80x = 79,396,065,859,988,928
  5. Step 5: Solve for x
    x = 79,396,065,859,988,928/331,996,384.80
  6. Step 6: Final answer
    x = 239,147,380.80

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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.