Home / 1,228,262,059.84-1,694,812,236.56-699,558,645

Finding the Fourth Proportional to 1,228,262,059.84, 1,694,812,236.56 and 699,558,645

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Solution

The fourth proportional to 1,228,262,059.84, 1,694,812,236.56 and 699,558,645 is: 965,283,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,262,059.84 : 1,694,812,236.56 = 699,558,645 : x
  2. Step 2: Convert to fraction form
    1,228,262,059.84/1,694,812,236.56 = 699,558,645/x
  3. Step 3: Cross multiply
    1,228,262,059.84x = 1,694,812,236.56 × 699,558,645
  4. Step 4: Simplify right side
    1,228,262,059.84x = 1,185,620,551,737,332,992
  5. Step 5: Solve for x
    x = 1,185,620,551,737,332,992/1,228,262,059.84
  6. Step 6: Final answer
    x = 965,283,053.60

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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.