Home / 398,601,719.70-597,902,579.55-243,633,524.10

Finding the Fourth Proportional to 398,601,719.70, 597,902,579.55 and 243,633,524.10

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Solution

The fourth proportional to 398,601,719.70, 597,902,579.55 and 243,633,524.10 is: 365,450,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,719.70 : 597,902,579.55 = 243,633,524.10 : x
  2. Step 2: Convert to fraction form
    398,601,719.70/597,902,579.55 = 243,633,524.10/x
  3. Step 3: Cross multiply
    398,601,719.70x = 597,902,579.55 × 243,633,524.10
  4. Step 4: Simplify right side
    398,601,719.70x = 145,669,112,524,247,072
  5. Step 5: Solve for x
    x = 145,669,112,524,247,072/398,601,719.70
  6. Step 6: Final answer
    x = 365,450,286.15

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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.