Home / 21,416,160,033.20-29,554,568,654.72-11,771,942,953.62

Finding the Fourth Proportional to 21,416,160,033.20, 29,554,568,654.72 and 11,771,942,953.62

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Solution

The fourth proportional to 21,416,160,033.20, 29,554,568,654.72 and 11,771,942,953.62 is: 16,245,428,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,416,160,033.20 : 29,554,568,654.72 = 11,771,942,953.62 : x
  2. Step 2: Convert to fraction form
    21,416,160,033.20/29,554,568,654.72 = 11,771,942,953.62/x
  3. Step 3: Cross multiply
    21,416,160,033.20x = 29,554,568,654.72 × 11,771,942,953.62
  4. Step 4: Simplify right side
    21,416,160,033.20x = 347,914,696,222,327,898,112
  5. Step 5: Solve for x
    x = 347,914,696,222,327,898,112/21,416,160,033.20
  6. Step 6: Final answer
    x = 16,245,428,484.05

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1.5x scale

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.