Home / 407,949,241.80-611,923,862.70-327,327,673.80

Finding the Fourth Proportional to 407,949,241.80, 611,923,862.70 and 327,327,673.80

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Solution

The fourth proportional to 407,949,241.80, 611,923,862.70 and 327,327,673.80 is: 490,991,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,949,241.80 : 611,923,862.70 = 327,327,673.80 : x
  2. Step 2: Convert to fraction form
    407,949,241.80/611,923,862.70 = 327,327,673.80/x
  3. Step 3: Cross multiply
    407,949,241.80x = 611,923,862.70 × 327,327,673.80
  4. Step 4: Simplify right side
    407,949,241.80x = 200,299,614,520,301,600
  5. Step 5: Solve for x
    x = 200,299,614,520,301,600/407,949,241.80
  6. Step 6: Final answer
    x = 490,991,510.70

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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.