Home / 2,099,531,142.40-3,149,296,713.60-2,068,920,140.80

Finding the Fourth Proportional to 2,099,531,142.40, 3,149,296,713.60 and 2,068,920,140.80

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Solution

The fourth proportional to 2,099,531,142.40, 3,149,296,713.60 and 2,068,920,140.80 is: 3,103,380,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,531,142.40 : 3,149,296,713.60 = 2,068,920,140.80 : x
  2. Step 2: Convert to fraction form
    2,099,531,142.40/3,149,296,713.60 = 2,068,920,140.80/x
  3. Step 3: Cross multiply
    2,099,531,142.40x = 3,149,296,713.60 × 2,068,920,140.80
  4. Step 4: Simplify right side
    2,099,531,142.40x = 6,515,643,400,122,289,152
  5. Step 5: Solve for x
    x = 6,515,643,400,122,289,152/2,099,531,142.40
  6. Step 6: Final answer
    x = 3,103,380,211.20

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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.