Home / 619,108,341.31-929,071,119.53-328,179,767.85

Finding the Fourth Proportional to 619,108,341.31, 929,071,119.53 and 328,179,767.85

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Solution

The fourth proportional to 619,108,341.31, 929,071,119.53 and 328,179,767.85 is: 492,486,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,108,341.31 : 929,071,119.53 = 328,179,767.85 : x
  2. Step 2: Convert to fraction form
    619,108,341.31/929,071,119.53 = 328,179,767.85/x
  3. Step 3: Cross multiply
    619,108,341.31x = 929,071,119.53 × 328,179,767.85
  4. Step 4: Simplify right side
    619,108,341.31x = 304,902,344,322,158,208
  5. Step 5: Solve for x
    x = 304,902,344,322,158,208/619,108,341.31
  6. Step 6: Final answer
    x = 492,486,248.33

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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.