Home / 25,654,202,753.92-38,431,207,014.64-12,189,324,939.52

Finding the Fourth Proportional to 25,654,202,753.92, 38,431,207,014.64 and 12,189,324,939.52

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Solution

The fourth proportional to 25,654,202,753.92, 38,431,207,014.64 and 12,189,324,939.52 is: 18,260,184,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654,202,753.92 : 38,431,207,014.64 = 12,189,324,939.52 : x
  2. Step 2: Convert to fraction form
    25,654,202,753.92/38,431,207,014.64 = 12,189,324,939.52/x
  3. Step 3: Cross multiply
    25,654,202,753.92x = 38,431,207,014.64 × 12,189,324,939.52
  4. Step 4: Simplify right side
    25,654,202,753.92x = 468,450,470,119,407,353,856
  5. Step 5: Solve for x
    x = 468,450,470,119,407,353,856/25,654,202,753.92
  6. Step 6: Final answer
    x = 18,260,184,290.77

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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.