Home / 768,257,416.24-1,060,195,286.32-420,576,904.24

Finding the Fourth Proportional to 768,257,416.24, 1,060,195,286.32 and 420,576,904.24

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Solution

The fourth proportional to 768,257,416.24, 1,060,195,286.32 and 420,576,904.24 is: 580,396,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,257,416.24 : 1,060,195,286.32 = 420,576,904.24 : x
  2. Step 2: Convert to fraction form
    768,257,416.24/1,060,195,286.32 = 420,576,904.24/x
  3. Step 3: Cross multiply
    768,257,416.24x = 1,060,195,286.32 × 420,576,904.24
  4. Step 4: Simplify right side
    768,257,416.24x = 445,893,651,410,306,048
  5. Step 5: Solve for x
    x = 445,893,651,410,306,048/768,257,416.24
  6. Step 6: Final answer
    x = 580,396,156.27

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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.