Home / 728,714,107.40-1,093,071,161.10-658,422,177.80

Finding the Fourth Proportional to 728,714,107.40, 1,093,071,161.10 and 658,422,177.80

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Solution

The fourth proportional to 728,714,107.40, 1,093,071,161.10 and 658,422,177.80 is: 987,633,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,714,107.40 : 1,093,071,161.10 = 658,422,177.80 : x
  2. Step 2: Convert to fraction form
    728,714,107.40/1,093,071,161.10 = 658,422,177.80/x
  3. Step 3: Cross multiply
    728,714,107.40x = 1,093,071,161.10 × 658,422,177.80
  4. Step 4: Simplify right side
    728,714,107.40x = 719,702,294,381,836,544
  5. Step 5: Solve for x
    x = 719,702,294,381,836,544/728,714,107.40
  6. Step 6: Final answer
    x = 987,633,266.70

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1.5x scale

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.