Home / 408,259,487.40-612,389,231.10-293,468,231.40

Finding the Fourth Proportional to 408,259,487.40, 612,389,231.10 and 293,468,231.40

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Solution

The fourth proportional to 408,259,487.40, 612,389,231.10 and 293,468,231.40 is: 440,202,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,259,487.40 : 612,389,231.10 = 293,468,231.40 : x
  2. Step 2: Convert to fraction form
    408,259,487.40/612,389,231.10 = 293,468,231.40/x
  3. Step 3: Cross multiply
    408,259,487.40x = 612,389,231.10 × 293,468,231.40
  4. Step 4: Simplify right side
    408,259,487.40x = 179,716,784,579,322,880
  5. Step 5: Solve for x
    x = 179,716,784,579,322,880/408,259,487.40
  6. Step 6: Final answer
    x = 440,202,347.10

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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.