Home / 664,176,437.55-995,400,507.02-270,244,177.92

Finding the Fourth Proportional to 664,176,437.55, 995,400,507.02 and 270,244,177.92

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Solution

The fourth proportional to 664,176,437.55, 995,400,507.02 and 270,244,177.92 is: 405,014,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,176,437.55 : 995,400,507.02 = 270,244,177.92 : x
  2. Step 2: Convert to fraction form
    664,176,437.55/995,400,507.02 = 270,244,177.92/x
  3. Step 3: Cross multiply
    664,176,437.55x = 995,400,507.02 × 270,244,177.92
  4. Step 4: Simplify right side
    664,176,437.55x = 269,001,191,719,419,872
  5. Step 5: Solve for x
    x = 269,001,191,719,419,872/664,176,437.55
  6. Step 6: Final answer
    x = 405,014,656.51

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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.