Home / 368,414,949.76-508,405,680.84-225,350,186.76

Finding the Fourth Proportional to 368,414,949.76, 508,405,680.84 and 225,350,186.76

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Solution

The fourth proportional to 368,414,949.76, 508,405,680.84 and 225,350,186.76 is: 310,979,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,414,949.76 : 508,405,680.84 = 225,350,186.76 : x
  2. Step 2: Convert to fraction form
    368,414,949.76/508,405,680.84 = 225,350,186.76/x
  3. Step 3: Cross multiply
    368,414,949.76x = 508,405,680.84 × 225,350,186.76
  4. Step 4: Simplify right side
    368,414,949.76x = 114,569,315,127,138,944
  5. Step 5: Solve for x
    x = 114,569,315,127,138,944/368,414,949.76
  6. Step 6: Final answer
    x = 310,979,006.69

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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.