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Finding the Fourth Proportional to 1,668,809,241.60, 2,504,109,657.60 and 699,558,835.20

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Solution

The fourth proportional to 1,668,809,241.60, 2,504,109,657.60 and 699,558,835.20 is: 1,049,713,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,809,241.60 : 2,504,109,657.60 = 699,558,835.20 : x
  2. Step 2: Convert to fraction form
    1,668,809,241.60/2,504,109,657.60 = 699,558,835.20/x
  3. Step 3: Cross multiply
    1,668,809,241.60x = 2,504,109,657.60 × 699,558,835.20
  4. Step 4: Simplify right side
    1,668,809,241.60x = 1,751,772,035,283,726,848
  5. Step 5: Solve for x
    x = 1,751,772,035,283,726,848/1,668,809,241.60
  6. Step 6: Final answer
    x = 1,049,713,766.93

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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.