Home / 1,873,982,906.72-2,584,588,493.84-1,647,437,503.74

Finding the Fourth Proportional to 1,873,982,906.72, 2,584,588,493.84 and 1,647,437,503.74

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Solution

The fourth proportional to 1,873,982,906.72, 2,584,588,493.84 and 1,647,437,503.74 is: 2,272,138,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873,982,906.72 : 2,584,588,493.84 = 1,647,437,503.74 : x
  2. Step 2: Convert to fraction form
    1,873,982,906.72/2,584,588,493.84 = 1,647,437,503.74/x
  3. Step 3: Cross multiply
    1,873,982,906.72x = 2,584,588,493.84 × 1,647,437,503.74
  4. Step 4: Simplify right side
    1,873,982,906.72x = 4,257,948,016,478,659,072
  5. Step 5: Solve for x
    x = 4,257,948,016,478,659,072/1,873,982,906.72
  6. Step 6: Final answer
    x = 2,272,138,129.55

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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.