Home / 822,388,620.20-1,233,582,930.30-786,108,914.60

Finding the Fourth Proportional to 822,388,620.20, 1,233,582,930.30 and 786,108,914.60

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Solution

The fourth proportional to 822,388,620.20, 1,233,582,930.30 and 786,108,914.60 is: 1,179,163,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,388,620.20 : 1,233,582,930.30 = 786,108,914.60 : x
  2. Step 2: Convert to fraction form
    822,388,620.20/1,233,582,930.30 = 786,108,914.60/x
  3. Step 3: Cross multiply
    822,388,620.20x = 1,233,582,930.30 × 786,108,914.60
  4. Step 4: Simplify right side
    822,388,620.20x = 969,730,538,407,220,480
  5. Step 5: Solve for x
    x = 969,730,538,407,220,480/822,388,620.20
  6. Step 6: Final answer
    x = 1,179,163,371.90

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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.