Home / 280,464,509.55-422,611,137.77-230,466,540.27

Finding the Fourth Proportional to 280,464,509.55, 422,611,137.77 and 230,466,540.27

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Solution

The fourth proportional to 280,464,509.55, 422,611,137.77 and 230,466,540.27 is: 347,272,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,464,509.55 : 422,611,137.77 = 230,466,540.27 : x
  2. Step 2: Convert to fraction form
    280,464,509.55/422,611,137.77 = 230,466,540.27/x
  3. Step 3: Cross multiply
    280,464,509.55x = 422,611,137.77 × 230,466,540.27
  4. Step 4: Simplify right side
    280,464,509.55x = 97,397,726,801,996,384
  5. Step 5: Solve for x
    x = 97,397,726,801,996,384/280,464,509.55
  6. Step 6: Final answer
    x = 347,272,911.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.