Home / 512,453,216.80-768,679,825.20-236,103,896.80

Finding the Fourth Proportional to 512,453,216.80, 768,679,825.20 and 236,103,896.80

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Solution

The fourth proportional to 512,453,216.80, 768,679,825.20 and 236,103,896.80 is: 354,155,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,453,216.80 : 768,679,825.20 = 236,103,896.80 : x
  2. Step 2: Convert to fraction form
    512,453,216.80/768,679,825.20 = 236,103,896.80/x
  3. Step 3: Cross multiply
    512,453,216.80x = 768,679,825.20 × 236,103,896.80
  4. Step 4: Simplify right side
    512,453,216.80x = 181,488,302,121,262,848
  5. Step 5: Solve for x
    x = 181,488,302,121,262,848/512,453,216.80
  6. Step 6: Final answer
    x = 354,155,845.20

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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.