Home / 13,452,190,732.80-20,178,286,099.20-9,965,406,331.80

Finding the Fourth Proportional to 13,452,190,732.80, 20,178,286,099.20 and 9,965,406,331.80

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Solution

The fourth proportional to 13,452,190,732.80, 20,178,286,099.20 and 9,965,406,331.80 is: 14,948,109,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,190,732.80 : 20,178,286,099.20 = 9,965,406,331.80 : x
  2. Step 2: Convert to fraction form
    13,452,190,732.80/20,178,286,099.20 = 9,965,406,331.80/x
  3. Step 3: Cross multiply
    13,452,190,732.80x = 20,178,286,099.20 × 9,965,406,331.80
  4. Step 4: Simplify right side
    13,452,190,732.80x = 201,084,820,057,839,599,616
  5. Step 5: Solve for x
    x = 201,084,820,057,839,599,616/13,452,190,732.80
  6. Step 6: Final answer
    x = 14,948,109,497.70

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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.