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Finding the Fourth Proportional to 552,375,996.94, 828,673,145.82 and 202,625,312.35

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Solution

The fourth proportional to 552,375,996.94, 828,673,145.82 and 202,625,312.35 is: 303,978,007.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,375,996.94 : 828,673,145.82 = 202,625,312.35 : x
  2. Step 2: Convert to fraction form
    552,375,996.94/828,673,145.82 = 202,625,312.35/x
  3. Step 3: Cross multiply
    552,375,996.94x = 828,673,145.82 × 202,625,312.35
  4. Step 4: Simplify right side
    552,375,996.94x = 167,910,155,005,762,912
  5. Step 5: Solve for x
    x = 167,910,155,005,762,912/552,375,996.94
  6. Step 6: Final answer
    x = 303,978,007.62

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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.