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Finding the Fourth Proportional to 499,507,906.06, 749,003,691.03 and 219,274,124.14

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Solution

The fourth proportional to 499,507,906.06, 749,003,691.03 and 219,274,124.14 is: 328,797,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,507,906.06 : 749,003,691.03 = 219,274,124.14 : x
  2. Step 2: Convert to fraction form
    499,507,906.06/749,003,691.03 = 219,274,124.14/x
  3. Step 3: Cross multiply
    499,507,906.06x = 749,003,691.03 × 219,274,124.14
  4. Step 4: Simplify right side
    499,507,906.06x = 164,237,128,328,066,752
  5. Step 5: Solve for x
    x = 164,237,128,328,066,752/499,507,906.06
  6. Step 6: Final answer
    x = 328,797,855.52

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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.