Home / 5,668,714,132.80-8,503,071,199.20-1,987,741,190.40

Finding the Fourth Proportional to 5,668,714,132.80, 8,503,071,199.20 and 1,987,741,190.40

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Solution

The fourth proportional to 5,668,714,132.80, 8,503,071,199.20 and 1,987,741,190.40 is: 2,981,611,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668,714,132.80 : 8,503,071,199.20 = 1,987,741,190.40 : x
  2. Step 2: Convert to fraction form
    5,668,714,132.80/8,503,071,199.20 = 1,987,741,190.40/x
  3. Step 3: Cross multiply
    5,668,714,132.80x = 8,503,071,199.20 × 1,987,741,190.40
  4. Step 4: Simplify right side
    5,668,714,132.80x = 16,901,904,867,553,763,328
  5. Step 5: Solve for x
    x = 16,901,904,867,553,763,328/5,668,714,132.80
  6. Step 6: Final answer
    x = 2,981,611,785.60

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Double scale
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Similar ratio
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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.