Home / 512,086,059.64-768,064,297.78-162,335,498.83

Finding the Fourth Proportional to 512,086,059.64, 768,064,297.78 and 162,335,498.83

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Solution

The fourth proportional to 512,086,059.64, 768,064,297.78 and 162,335,498.83 is: 243,482,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,086,059.64 : 768,064,297.78 = 162,335,498.83 : x
  2. Step 2: Convert to fraction form
    512,086,059.64/768,064,297.78 = 162,335,498.83/x
  3. Step 3: Cross multiply
    512,086,059.64x = 768,064,297.78 × 162,335,498.83
  4. Step 4: Simplify right side
    512,086,059.64x = 124,684,100,913,629,968
  5. Step 5: Solve for x
    x = 124,684,100,913,629,968/512,086,059.64
  6. Step 6: Final answer
    x = 243,482,708.75

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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.