Home / 512,489,392.02-769,960,466.49-328,617,115.52

Finding the Fourth Proportional to 512,489,392.02, 769,960,466.49 and 328,617,115.52

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Solution

The fourth proportional to 512,489,392.02, 769,960,466.49 and 328,617,115.52 is: 493,712,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,489,392.02 : 769,960,466.49 = 328,617,115.52 : x
  2. Step 2: Convert to fraction form
    512,489,392.02/769,960,466.49 = 328,617,115.52/x
  3. Step 3: Cross multiply
    512,489,392.02x = 769,960,466.49 × 328,617,115.52
  4. Step 4: Simplify right side
    512,489,392.02x = 253,022,187,558,527,616
  5. Step 5: Solve for x
    x = 253,022,187,558,527,616/512,489,392.02
  6. Step 6: Final answer
    x = 493,712,048.48

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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.