Home / 852,694,633.12-1,278,850,634.16-392,190,374.56

Finding the Fourth Proportional to 852,694,633.12, 1,278,850,634.16 and 392,190,374.56

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Solution

The fourth proportional to 852,694,633.12, 1,278,850,634.16 and 392,190,374.56 is: 588,197,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,694,633.12 : 1,278,850,634.16 = 392,190,374.56 : x
  2. Step 2: Convert to fraction form
    852,694,633.12/1,278,850,634.16 = 392,190,374.56/x
  3. Step 3: Cross multiply
    852,694,633.12x = 1,278,850,634.16 × 392,190,374.56
  4. Step 4: Simplify right side
    852,694,633.12x = 501,552,909,217,503,936
  5. Step 5: Solve for x
    x = 501,552,909,217,503,936/852,694,633.12
  6. Step 6: Final answer
    x = 588,197,567.73

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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.