Home / 2,099,531,143.90-3,149,296,715.85-2,068,920,142.30

Finding the Fourth Proportional to 2,099,531,143.90, 3,149,296,715.85 and 2,068,920,142.30

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Solution

The fourth proportional to 2,099,531,143.90, 3,149,296,715.85 and 2,068,920,142.30 is: 3,103,380,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,531,143.90 : 3,149,296,715.85 = 2,068,920,142.30 : x
  2. Step 2: Convert to fraction form
    2,099,531,143.90/3,149,296,715.85 = 2,068,920,142.30/x
  3. Step 3: Cross multiply
    2,099,531,143.90x = 3,149,296,715.85 × 2,068,920,142.30
  4. Step 4: Simplify right side
    2,099,531,143.90x = 6,515,643,409,501,303,808
  5. Step 5: Solve for x
    x = 6,515,643,409,501,303,808/2,099,531,143.90
  6. Step 6: Final answer
    x = 3,103,380,213.45

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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.