Home / 443,245,997.32-611,740,238.16-255,070,422.88

Finding the Fourth Proportional to 443,245,997.32, 611,740,238.16 and 255,070,422.88

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Solution

The fourth proportional to 443,245,997.32, 611,740,238.16 and 255,070,422.88 is: 352,032,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,245,997.32 : 611,740,238.16 = 255,070,422.88 : x
  2. Step 2: Convert to fraction form
    443,245,997.32/611,740,238.16 = 255,070,422.88/x
  3. Step 3: Cross multiply
    443,245,997.32x = 611,740,238.16 × 255,070,422.88
  4. Step 4: Simplify right side
    443,245,997.32x = 156,036,841,240,183,104
  5. Step 5: Solve for x
    x = 156,036,841,240,183,104/443,245,997.32
  6. Step 6: Final answer
    x = 352,032,149.60

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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.