Home / 13,407,109,825.80-18,504,062,991.54-7,771,850,712.84

Finding the Fourth Proportional to 13,407,109,825.80, 18,504,062,991.54 and 7,771,850,712.84

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Solution

The fourth proportional to 13,407,109,825.80, 18,504,062,991.54 and 7,771,850,712.84 is: 10,726,459,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,109,825.80 : 18,504,062,991.54 = 7,771,850,712.84 : x
  2. Step 2: Convert to fraction form
    13,407,109,825.80/18,504,062,991.54 = 7,771,850,712.84/x
  3. Step 3: Cross multiply
    13,407,109,825.80x = 18,504,062,991.54 × 7,771,850,712.84
  4. Step 4: Simplify right side
    13,407,109,825.80x = 143,810,815,151,236,415,488
  5. Step 5: Solve for x
    x = 143,810,815,151,236,415,488/13,407,109,825.80
  6. Step 6: Final answer
    x = 10,726,459,096.69

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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.