Home / 821,907,857.39-1,232,737,218.60-223,692,325.56

Finding the Fourth Proportional to 821,907,857.39, 1,232,737,218.60 and 223,692,325.56

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Solution

The fourth proportional to 821,907,857.39, 1,232,737,218.60 and 223,692,325.56 is: 335,504,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,907,857.39 : 1,232,737,218.60 = 223,692,325.56 : x
  2. Step 2: Convert to fraction form
    821,907,857.39/1,232,737,218.60 = 223,692,325.56/x
  3. Step 3: Cross multiply
    821,907,857.39x = 1,232,737,218.60 × 223,692,325.56
  4. Step 4: Simplify right side
    821,907,857.39x = 275,753,855,233,000,064
  5. Step 5: Solve for x
    x = 275,753,855,233,000,064/821,907,857.39
  6. Step 6: Final answer
    x = 335,504,585.77

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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.