Home / 385,202,709.30-531,582,742.80-226,390,183.23

Finding the Fourth Proportional to 385,202,709.30, 531,582,742.80 and 226,390,183.23

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Solution

The fourth proportional to 385,202,709.30, 531,582,742.80 and 226,390,183.23 is: 312,420,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,202,709.30 : 531,582,742.80 = 226,390,183.23 : x
  2. Step 2: Convert to fraction form
    385,202,709.30/531,582,742.80 = 226,390,183.23/x
  3. Step 3: Cross multiply
    385,202,709.30x = 531,582,742.80 × 226,390,183.23
  4. Step 4: Simplify right side
    385,202,709.30x = 120,345,114,544,397,968
  5. Step 5: Solve for x
    x = 120,345,114,544,397,968/385,202,709.30
  6. Step 6: Final answer
    x = 312,420,218.34

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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.