Home / 2,129,789,619.80-3,194,684,429.70-1,441,818,906.20

Finding the Fourth Proportional to 2,129,789,619.80, 3,194,684,429.70 and 1,441,818,906.20

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Solution

The fourth proportional to 2,129,789,619.80, 3,194,684,429.70 and 1,441,818,906.20 is: 2,162,728,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,789,619.80 : 3,194,684,429.70 = 1,441,818,906.20 : x
  2. Step 2: Convert to fraction form
    2,129,789,619.80/3,194,684,429.70 = 1,441,818,906.20/x
  3. Step 3: Cross multiply
    2,129,789,619.80x = 3,194,684,429.70 × 1,441,818,906.20
  4. Step 4: Simplify right side
    2,129,789,619.80x = 4,606,156,410,084,224,512
  5. Step 5: Solve for x
    x = 4,606,156,410,084,224,512/2,129,789,619.80
  6. Step 6: Final answer
    x = 2,162,728,359.30

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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.