Home / 20,166,619,780.80-30,229,522,336.80-11,881,242,014.40

Finding the Fourth Proportional to 20,166,619,780.80, 30,229,522,336.80 and 11,881,242,014.40

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Solution

The fourth proportional to 20,166,619,780.80, 30,229,522,336.80 and 11,881,242,014.40 is: 17,809,839,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,619,780.80 : 30,229,522,336.80 = 11,881,242,014.40 : x
  2. Step 2: Convert to fraction form
    20,166,619,780.80/30,229,522,336.80 = 11,881,242,014.40/x
  3. Step 3: Cross multiply
    20,166,619,780.80x = 30,229,522,336.80 × 11,881,242,014.40
  4. Step 4: Simplify right side
    20,166,619,780.80x = 359,164,270,863,231,418,368
  5. Step 5: Solve for x
    x = 359,164,270,863,231,418,368/20,166,619,780.80
  6. Step 6: Final answer
    x = 17,809,839,961.64

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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.