Home / 469,411,557.44-647,806,167.35-257,727,310.55

Finding the Fourth Proportional to 469,411,557.44, 647,806,167.35 and 257,727,310.55

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Solution

The fourth proportional to 469,411,557.44, 647,806,167.35 and 257,727,310.55 is: 355,673,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,411,557.44 : 647,806,167.35 = 257,727,310.55 : x
  2. Step 2: Convert to fraction form
    469,411,557.44/647,806,167.35 = 257,727,310.55/x
  3. Step 3: Cross multiply
    469,411,557.44x = 647,806,167.35 × 257,727,310.55
  4. Step 4: Simplify right side
    469,411,557.44x = 166,957,341,269,137,824
  5. Step 5: Solve for x
    x = 166,957,341,269,137,824/469,411,557.44
  6. Step 6: Final answer
    x = 355,673,691.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.