Home / 1,289,120,504,561.60-1,778,991,827,016.20-703,183,119,195.93

Finding the Fourth Proportional to 1,289,120,504,561.60, 1,778,991,827,016.20 and 703,183,119,195.93

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Solution

The fourth proportional to 1,289,120,504,561.60, 1,778,991,827,016.20 and 703,183,119,195.93 is: 970,395,721,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,120,504,561.60 : 1,778,991,827,016.20 = 703,183,119,195.93 : x
  2. Step 2: Convert to fraction form
    1,289,120,504,561.60/1,778,991,827,016.20 = 703,183,119,195.93/x
  3. Step 3: Cross multiply
    1,289,120,504,561.60x = 1,778,991,827,016.20 × 703,183,119,195.93
  4. Step 4: Simplify right side
    1,289,120,504,561.60x = 1,250,957,021,945,318,034,374,656
  5. Step 5: Solve for x
    x = 1,250,957,021,945,318,034,374,656/1,289,120,504,561.60
  6. Step 6: Final answer
    x = 970,395,721,361.01

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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.