Home / 299,681,205.80-449,017,923.90-248,284,956.20

Finding the Fourth Proportional to 299,681,205.80, 449,017,923.90 and 248,284,956.20

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Solution

The fourth proportional to 299,681,205.80, 449,017,923.90 and 248,284,956.20 is: 372,009,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,681,205.80 : 449,017,923.90 = 248,284,956.20 : x
  2. Step 2: Convert to fraction form
    299,681,205.80/449,017,923.90 = 248,284,956.20/x
  3. Step 3: Cross multiply
    299,681,205.80x = 449,017,923.90 × 248,284,956.20
  4. Step 4: Simplify right side
    299,681,205.80x = 111,484,395,568,526,416
  5. Step 5: Solve for x
    x = 111,484,395,568,526,416/299,681,205.80
  6. Step 6: Final answer
    x = 372,009,967.29

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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.