Home / 490,184,644.32-676,468,986.27-267,180,769.87

Finding the Fourth Proportional to 490,184,644.32, 676,468,986.27 and 267,180,769.87

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Solution

The fourth proportional to 490,184,644.32, 676,468,986.27 and 267,180,769.87 is: 368,717,189.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,184,644.32 : 676,468,986.27 = 267,180,769.87 : x
  2. Step 2: Convert to fraction form
    490,184,644.32/676,468,986.27 = 267,180,769.87/x
  3. Step 3: Cross multiply
    490,184,644.32x = 676,468,986.27 × 267,180,769.87
  4. Step 4: Simplify right side
    490,184,644.32x = 180,739,504,542,103,968
  5. Step 5: Solve for x
    x = 180,739,504,542,103,968/490,184,644.32
  6. Step 6: Final answer
    x = 368,717,189.81

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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.