Home / 729,623,866.06-1,093,976,004.20-618,998,188.96

Finding the Fourth Proportional to 729,623,866.06, 1,093,976,004.20 and 618,998,188.96

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Solution

The fourth proportional to 729,623,866.06, 1,093,976,004.20 and 618,998,188.96 is: 928,107,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,623,866.06 : 1,093,976,004.20 = 618,998,188.96 : x
  2. Step 2: Convert to fraction form
    729,623,866.06/1,093,976,004.20 = 618,998,188.96/x
  3. Step 3: Cross multiply
    729,623,866.06x = 1,093,976,004.20 × 618,998,188.96
  4. Step 4: Simplify right side
    729,623,866.06x = 677,169,165,364,310,016
  5. Step 5: Solve for x
    x = 677,169,165,364,310,016/729,623,866.06
  6. Step 6: Final answer
    x = 928,107,202.72

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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.