Home / 1,228,262,060.09-1,694,812,236.91-699,558,645.25

Finding the Fourth Proportional to 1,228,262,060.09, 1,694,812,236.91 and 699,558,645.25

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Solution

The fourth proportional to 1,228,262,060.09, 1,694,812,236.91 and 699,558,645.25 is: 965,283,053.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,262,060.09 : 1,694,812,236.91 = 699,558,645.25 : x
  2. Step 2: Convert to fraction form
    1,228,262,060.09/1,694,812,236.91 = 699,558,645.25/x
  3. Step 3: Cross multiply
    1,228,262,060.09x = 1,694,812,236.91 × 699,558,645.25
  4. Step 4: Simplify right side
    1,228,262,060.09x = 1,185,620,552,402,383,872
  5. Step 5: Solve for x
    x = 1,185,620,552,402,383,872/1,228,262,060.09
  6. Step 6: Final answer
    x = 965,283,053.94

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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.