Home / 18,267,628,009.60-27,404,465,323.20-7,791,863,017.60

Finding the Fourth Proportional to 18,267,628,009.60, 27,404,465,323.20 and 7,791,863,017.60

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Solution

The fourth proportional to 18,267,628,009.60, 27,404,465,323.20 and 7,791,863,017.60 is: 11,689,084,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,628,009.60 : 27,404,465,323.20 = 7,791,863,017.60 : x
  2. Step 2: Convert to fraction form
    18,267,628,009.60/27,404,465,323.20 = 7,791,863,017.60/x
  3. Step 3: Cross multiply
    18,267,628,009.60x = 27,404,465,323.20 × 7,791,863,017.60
  4. Step 4: Simplify right side
    18,267,628,009.60x = 213,531,839,868,943,728,640
  5. Step 5: Solve for x
    x = 213,531,839,868,943,728,640/18,267,628,009.60
  6. Step 6: Final answer
    x = 11,689,084,086.71

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1.5x scale

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.