Home / 11,906,994,140.97-17,863,181,969.13-3,939,143,686.94

Finding the Fourth Proportional to 11,906,994,140.97, 17,863,181,969.13 and 3,939,143,686.94

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Solution

The fourth proportional to 11,906,994,140.97, 17,863,181,969.13 and 3,939,143,686.94 is: 5,909,605,703.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906,994,140.97 : 17,863,181,969.13 = 3,939,143,686.94 : x
  2. Step 2: Convert to fraction form
    11,906,994,140.97/17,863,181,969.13 = 3,939,143,686.94/x
  3. Step 3: Cross multiply
    11,906,994,140.97x = 17,863,181,969.13 × 3,939,143,686.94
  4. Step 4: Simplify right side
    11,906,994,140.97x = 70,365,640,482,403,540,992
  5. Step 5: Solve for x
    x = 70,365,640,482,403,540,992/11,906,994,140.97
  6. Step 6: Final answer
    x = 5,909,605,703.11

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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.