Home / 2,099,520,121.40-3,149,280,182.10-2,068,909,119.80

Finding the Fourth Proportional to 2,099,520,121.40, 3,149,280,182.10 and 2,068,909,119.80

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Solution

The fourth proportional to 2,099,520,121.40, 3,149,280,182.10 and 2,068,909,119.80 is: 3,103,363,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,520,121.40 : 3,149,280,182.10 = 2,068,909,119.80 : x
  2. Step 2: Convert to fraction form
    2,099,520,121.40/3,149,280,182.10 = 2,068,909,119.80/x
  3. Step 3: Cross multiply
    2,099,520,121.40x = 3,149,280,182.10 × 2,068,909,119.80
  4. Step 4: Simplify right side
    2,099,520,121.40x = 6,515,574,489,552,094,208
  5. Step 5: Solve for x
    x = 6,515,574,489,552,094,208/2,099,520,121.40
  6. Step 6: Final answer
    x = 3,103,363,679.70

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Double scale
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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.