Home / 821,907,855.39-1,232,737,215.60-223,692,323.56

Finding the Fourth Proportional to 821,907,855.39, 1,232,737,215.60 and 223,692,323.56

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Solution

The fourth proportional to 821,907,855.39, 1,232,737,215.60 and 223,692,323.56 is: 335,504,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,907,855.39 : 1,232,737,215.60 = 223,692,323.56 : x
  2. Step 2: Convert to fraction form
    821,907,855.39/1,232,737,215.60 = 223,692,323.56/x
  3. Step 3: Cross multiply
    821,907,855.39x = 1,232,737,215.60 × 223,692,323.56
  4. Step 4: Simplify right side
    821,907,855.39x = 275,753,852,094,194,496
  5. Step 5: Solve for x
    x = 275,753,852,094,194,496/821,907,855.39
  6. Step 6: Final answer
    x = 335,504,582.76

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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.