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Finding the Fourth Proportional to 673,904,859.36, 1,010,918,978.64 and 189,227,401.44

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Solution

The fourth proportional to 673,904,859.36, 1,010,918,978.64 and 189,227,401.44 is: 283,858,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,904,859.36 : 1,010,918,978.64 = 189,227,401.44 : x
  2. Step 2: Convert to fraction form
    673,904,859.36/1,010,918,978.64 = 189,227,401.44/x
  3. Step 3: Cross multiply
    673,904,859.36x = 1,010,918,978.64 × 189,227,401.44
  4. Step 4: Simplify right side
    673,904,859.36x = 191,293,571,394,426,048
  5. Step 5: Solve for x
    x = 191,293,571,394,426,048/673,904,859.36
  6. Step 6: Final answer
    x = 283,858,424.13

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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.