Home / 407,812,189,274.35-562,781,379,324.36-222,414,346,471.29

Finding the Fourth Proportional to 407,812,189,274.35, 562,781,379,324.36 and 222,414,346,471.29

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Solution

The fourth proportional to 407,812,189,274.35, 562,781,379,324.36 and 222,414,346,471.29 is: 306,932,102,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,812,189,274.35 : 562,781,379,324.36 = 222,414,346,471.29 : x
  2. Step 2: Convert to fraction form
    407,812,189,274.35/562,781,379,324.36 = 222,414,346,471.29/x
  3. Step 3: Cross multiply
    407,812,189,274.35x = 562,781,379,324.36 × 222,414,346,471.29
  4. Step 4: Simplify right side
    407,812,189,274.35x = 125,170,652,688,638,697,013,248
  5. Step 5: Solve for x
    x = 125,170,652,688,638,697,013,248/407,812,189,274.35
  6. Step 6: Final answer
    x = 306,932,102,523.38

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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.