Home / 419,871,653.32-629,764,957.32-113,194,766.92

Finding the Fourth Proportional to 419,871,653.32, 629,764,957.32 and 113,194,766.92

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Solution

The fourth proportional to 419,871,653.32, 629,764,957.32 and 113,194,766.92 is: 169,780,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,871,653.32 : 629,764,957.32 = 113,194,766.92 : x
  2. Step 2: Convert to fraction form
    419,871,653.32/629,764,957.32 = 113,194,766.92/x
  3. Step 3: Cross multiply
    419,871,653.32x = 629,764,957.32 × 113,194,766.92
  4. Step 4: Simplify right side
    419,871,653.32x = 71,286,097,558,221,152
  5. Step 5: Solve for x
    x = 71,286,097,558,221,152/419,871,653.32
  6. Step 6: Final answer
    x = 169,780,686.54

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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.