Home / 843,993,012.72-1,265,874,591.87-222,156,172.92

Finding the Fourth Proportional to 843,993,012.72, 1,265,874,591.87 and 222,156,172.92

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Solution

The fourth proportional to 843,993,012.72, 1,265,874,591.87 and 222,156,172.92 is: 333,204,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,993,012.72 : 1,265,874,591.87 = 222,156,172.92 : x
  2. Step 2: Convert to fraction form
    843,993,012.72/1,265,874,591.87 = 222,156,172.92/x
  3. Step 3: Cross multiply
    843,993,012.72x = 1,265,874,591.87 × 222,156,172.92
  4. Step 4: Simplify right side
    843,993,012.72x = 281,221,854,726,506,112
  5. Step 5: Solve for x
    x = 281,221,854,726,506,112/843,993,012.72
  6. Step 6: Final answer
    x = 333,204,008.19

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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.