Home / 419,871,637.26-629,764,933.32-113,194,750.86

Finding the Fourth Proportional to 419,871,637.26, 629,764,933.32 and 113,194,750.86

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Solution

The fourth proportional to 419,871,637.26, 629,764,933.32 and 113,194,750.86 is: 169,780,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,871,637.26 : 629,764,933.32 = 113,194,750.86 : x
  2. Step 2: Convert to fraction form
    419,871,637.26/629,764,933.32 = 113,194,750.86/x
  3. Step 3: Cross multiply
    419,871,637.26x = 629,764,933.32 × 113,194,750.86
  4. Step 4: Simplify right side
    419,871,637.26x = 71,286,084,727,521,920
  5. Step 5: Solve for x
    x = 71,286,084,727,521,920/419,871,637.26
  6. Step 6: Final answer
    x = 169,780,662.47

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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.