Home / 272,372,513.20-408,558,769.80-251,327,449.60

Finding the Fourth Proportional to 272,372,513.20, 408,558,769.80 and 251,327,449.60

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Solution

The fourth proportional to 272,372,513.20, 408,558,769.80 and 251,327,449.60 is: 376,991,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,372,513.20 : 408,558,769.80 = 251,327,449.60 : x
  2. Step 2: Convert to fraction form
    272,372,513.20/408,558,769.80 = 251,327,449.60/x
  3. Step 3: Cross multiply
    272,372,513.20x = 408,558,769.80 × 251,327,449.60
  4. Step 4: Simplify right side
    272,372,513.20x = 102,682,033,625,547,504
  5. Step 5: Solve for x
    x = 102,682,033,625,547,504/272,372,513.20
  6. Step 6: Final answer
    x = 376,991,174.40

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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.