Home / 512,453,204.80-768,679,807.20-236,103,884.80

Finding the Fourth Proportional to 512,453,204.80, 768,679,807.20 and 236,103,884.80

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Solution

The fourth proportional to 512,453,204.80, 768,679,807.20 and 236,103,884.80 is: 354,155,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,453,204.80 : 768,679,807.20 = 236,103,884.80 : x
  2. Step 2: Convert to fraction form
    512,453,204.80/768,679,807.20 = 236,103,884.80/x
  3. Step 3: Cross multiply
    512,453,204.80x = 768,679,807.20 × 236,103,884.80
  4. Step 4: Simplify right side
    512,453,204.80x = 181,488,288,647,235,040
  5. Step 5: Solve for x
    x = 181,488,288,647,235,040/512,453,204.80
  6. Step 6: Final answer
    x = 354,155,827.20

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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.