Home / 253,384,369.20-379,937,998.17-201,197,274.66

Finding the Fourth Proportional to 253,384,369.20, 379,937,998.17 and 201,197,274.66

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Solution

The fourth proportional to 253,384,369.20, 379,937,998.17 and 201,197,274.66 is: 301,685,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,384,369.20 : 379,937,998.17 = 201,197,274.66 : x
  2. Step 2: Convert to fraction form
    253,384,369.20/379,937,998.17 = 201,197,274.66/x
  3. Step 3: Cross multiply
    253,384,369.20x = 379,937,998.17 × 201,197,274.66
  4. Step 4: Simplify right side
    253,384,369.20x = 76,442,489,771,580,064
  5. Step 5: Solve for x
    x = 76,442,489,771,580,064/253,384,369.20
  6. Step 6: Final answer
    x = 301,685,893.30

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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.