Home / 408,923,786.30-613,385,679.45-245,665,111.10

Finding the Fourth Proportional to 408,923,786.30, 613,385,679.45 and 245,665,111.10

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Solution

The fourth proportional to 408,923,786.30, 613,385,679.45 and 245,665,111.10 is: 368,497,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,923,786.30 : 613,385,679.45 = 245,665,111.10 : x
  2. Step 2: Convert to fraction form
    408,923,786.30/613,385,679.45 = 245,665,111.10/x
  3. Step 3: Cross multiply
    408,923,786.30x = 613,385,679.45 × 245,665,111.10
  4. Step 4: Simplify right side
    408,923,786.30x = 150,687,461,089,233,248
  5. Step 5: Solve for x
    x = 150,687,461,089,233,248/408,923,786.30
  6. Step 6: Final answer
    x = 368,497,666.65

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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.