Home / 419,771,635.08-579,286,868.58-231,599,919.48

Finding the Fourth Proportional to 419,771,635.08, 579,286,868.58 and 231,599,919.48

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Solution

The fourth proportional to 419,771,635.08, 579,286,868.58 and 231,599,919.48 is: 319,608,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,771,635.08 : 579,286,868.58 = 231,599,919.48 : x
  2. Step 2: Convert to fraction form
    419,771,635.08/579,286,868.58 = 231,599,919.48/x
  3. Step 3: Cross multiply
    419,771,635.08x = 579,286,868.58 × 231,599,919.48
  4. Step 4: Simplify right side
    419,771,635.08x = 134,162,792,118,949,344
  5. Step 5: Solve for x
    x = 134,162,792,118,949,344/419,771,635.08
  6. Step 6: Final answer
    x = 319,608,999.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.