Home / 619,108,347.30-929,071,128.54-328,179,773.84

Finding the Fourth Proportional to 619,108,347.30, 929,071,128.54 and 328,179,773.84

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Solution

The fourth proportional to 619,108,347.30, 929,071,128.54 and 328,179,773.84 is: 492,486,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,108,347.30 : 929,071,128.54 = 328,179,773.84 : x
  2. Step 2: Convert to fraction form
    619,108,347.30/929,071,128.54 = 328,179,773.84/x
  3. Step 3: Cross multiply
    619,108,347.30x = 929,071,128.54 × 328,179,773.84
  4. Step 4: Simplify right side
    619,108,347.30x = 304,902,352,845,530,752
  5. Step 5: Solve for x
    x = 304,902,352,845,530,752/619,108,347.30
  6. Step 6: Final answer
    x = 492,486,257.33

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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.