Home / 385,296,009,809.44-531,588,536,996.84-222,656,404,325.44

Finding the Fourth Proportional to 385,296,009,809.44, 531,588,536,996.84 and 222,656,404,325.44

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Solution

The fourth proportional to 385,296,009,809.44, 531,588,536,996.84 and 222,656,404,325.44 is: 307,196,517,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,296,009,809.44 : 531,588,536,996.84 = 222,656,404,325.44 : x
  2. Step 2: Convert to fraction form
    385,296,009,809.44/531,588,536,996.84 = 222,656,404,325.44/x
  3. Step 3: Cross multiply
    385,296,009,809.44x = 531,588,536,996.84 × 222,656,404,325.44
  4. Step 4: Simplify right side
    385,296,009,809.44x = 118,361,592,228,337,527,291,904
  5. Step 5: Solve for x
    x = 118,361,592,228,337,527,291,904/385,296,009,809.44
  6. Step 6: Final answer
    x = 307,196,517,002.28

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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.