Home / 839,809,372.80-1,259,714,059.20-226,371,619.20

Finding the Fourth Proportional to 839,809,372.80, 1,259,714,059.20 and 226,371,619.20

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Solution

The fourth proportional to 839,809,372.80, 1,259,714,059.20 and 226,371,619.20 is: 339,557,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,372.80 : 1,259,714,059.20 = 226,371,619.20 : x
  2. Step 2: Convert to fraction form
    839,809,372.80/1,259,714,059.20 = 226,371,619.20/x
  3. Step 3: Cross multiply
    839,809,372.80x = 1,259,714,059.20 × 226,371,619.20
  4. Step 4: Simplify right side
    839,809,372.80x = 285,163,511,310,108,640
  5. Step 5: Solve for x
    x = 285,163,511,310,108,640/839,809,372.80
  6. Step 6: Final answer
    x = 339,557,428.80

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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.