Home / 407,812,189,277.84-562,781,379,329.22-222,414,346,474.78

Finding the Fourth Proportional to 407,812,189,277.84, 562,781,379,329.22 and 222,414,346,474.78

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Solution

The fourth proportional to 407,812,189,277.84, 562,781,379,329.22 and 222,414,346,474.78 is: 306,932,102,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,812,189,277.84 : 562,781,379,329.22 = 222,414,346,474.78 : x
  2. Step 2: Convert to fraction form
    407,812,189,277.84/562,781,379,329.22 = 222,414,346,474.78/x
  3. Step 3: Cross multiply
    407,812,189,277.84x = 562,781,379,329.22 × 222,414,346,474.78
  4. Step 4: Simplify right side
    407,812,189,277.84x = 125,170,652,691,683,728,162,816
  5. Step 5: Solve for x
    x = 125,170,652,691,683,728,162,816/407,812,189,277.84
  6. Step 6: Final answer
    x = 306,932,102,528.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.