Home / 299,712,087.40-449,568,131.10-192,216,663.40

Finding the Fourth Proportional to 299,712,087.40, 449,568,131.10 and 192,216,663.40

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Solution

The fourth proportional to 299,712,087.40, 449,568,131.10 and 192,216,663.40 is: 288,324,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,712,087.40 : 449,568,131.10 = 192,216,663.40 : x
  2. Step 2: Convert to fraction form
    299,712,087.40/449,568,131.10 = 192,216,663.40/x
  3. Step 3: Cross multiply
    299,712,087.40x = 449,568,131.10 × 192,216,663.40
  4. Step 4: Simplify right side
    299,712,087.40x = 86,414,486,131,015,776
  5. Step 5: Solve for x
    x = 86,414,486,131,015,776/299,712,087.40
  6. Step 6: Final answer
    x = 288,324,995.10

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1.5x scale

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.