Home / 911,092,249.44-1,257,301,043.64-493,394,976.24

Finding the Fourth Proportional to 911,092,249.44, 1,257,301,043.64 and 493,394,976.24

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Solution

The fourth proportional to 911,092,249.44, 1,257,301,043.64 and 493,394,976.24 is: 680,881,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,092,249.44 : 1,257,301,043.64 = 493,394,976.24 : x
  2. Step 2: Convert to fraction form
    911,092,249.44/1,257,301,043.64 = 493,394,976.24/x
  3. Step 3: Cross multiply
    911,092,249.44x = 1,257,301,043.64 × 493,394,976.24
  4. Step 4: Simplify right side
    911,092,249.44x = 620,346,018,553,285,120
  5. Step 5: Solve for x
    x = 620,346,018,553,285,120/911,092,249.44
  6. Step 6: Final answer
    x = 680,881,676.84

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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.