Home / 437,189,399.56-655,380,537.88-218,649,572.20

Finding the Fourth Proportional to 437,189,399.56, 655,380,537.88 and 218,649,572.20

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Solution

The fourth proportional to 437,189,399.56, 655,380,537.88 and 218,649,572.20 is: 327,772,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,189,399.56 : 655,380,537.88 = 218,649,572.20 : x
  2. Step 2: Convert to fraction form
    437,189,399.56/655,380,537.88 = 218,649,572.20/x
  3. Step 3: Cross multiply
    437,189,399.56x = 655,380,537.88 × 218,649,572.20
  4. Step 4: Simplify right side
    437,189,399.56x = 143,298,674,235,667,888
  5. Step 5: Solve for x
    x = 143,298,674,235,667,888/437,189,399.56
  6. Step 6: Final answer
    x = 327,772,526.92

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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.