Home / 766,907,998.20-1,150,361,997.30-214,209,358.20

Finding the Fourth Proportional to 766,907,998.20, 1,150,361,997.30 and 214,209,358.20

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Solution

The fourth proportional to 766,907,998.20, 1,150,361,997.30 and 214,209,358.20 is: 321,314,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,907,998.20 : 1,150,361,997.30 = 214,209,358.20 : x
  2. Step 2: Convert to fraction form
    766,907,998.20/1,150,361,997.30 = 214,209,358.20/x
  3. Step 3: Cross multiply
    766,907,998.20x = 1,150,361,997.30 × 214,209,358.20
  4. Step 4: Simplify right side
    766,907,998.20x = 246,418,305,139,303,104
  5. Step 5: Solve for x
    x = 246,418,305,139,303,104/766,907,998.20
  6. Step 6: Final answer
    x = 321,314,037.30

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Double scale
Find fourth proportional to 766,907,999.20, 1,150,361,998.80 and 214,209,359.20
Similar ratio
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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.