Home / 531,904,906.20-797,857,359.30-168,399,262.20

Finding the Fourth Proportional to 531,904,906.20, 797,857,359.30 and 168,399,262.20

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Solution

The fourth proportional to 531,904,906.20, 797,857,359.30 and 168,399,262.20 is: 252,598,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,904,906.20 : 797,857,359.30 = 168,399,262.20 : x
  2. Step 2: Convert to fraction form
    531,904,906.20/797,857,359.30 = 168,399,262.20/x
  3. Step 3: Cross multiply
    531,904,906.20x = 797,857,359.30 × 168,399,262.20
  4. Step 4: Simplify right side
    531,904,906.20x = 134,358,590,646,960,288
  5. Step 5: Solve for x
    x = 134,358,590,646,960,288/531,904,906.20
  6. Step 6: Final answer
    x = 252,598,893.30

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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.