Home / 563,635,772.80-845,453,659.20-379,969,763.20

Finding the Fourth Proportional to 563,635,772.80, 845,453,659.20 and 379,969,763.20

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Solution

The fourth proportional to 563,635,772.80, 845,453,659.20 and 379,969,763.20 is: 569,954,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,635,772.80 : 845,453,659.20 = 379,969,763.20 : x
  2. Step 2: Convert to fraction form
    563,635,772.80/845,453,659.20 = 379,969,763.20/x
  3. Step 3: Cross multiply
    563,635,772.80x = 845,453,659.20 × 379,969,763.20
  4. Step 4: Simplify right side
    563,635,772.80x = 321,246,826,682,797,504
  5. Step 5: Solve for x
    x = 321,246,826,682,797,504/563,635,772.80
  6. Step 6: Final answer
    x = 569,954,644.80

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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.