Home / 8,081,876,039.40-12,122,814,059.10-4,775,887,866.60

Finding the Fourth Proportional to 8,081,876,039.40, 12,122,814,059.10 and 4,775,887,866.60

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Solution

The fourth proportional to 8,081,876,039.40, 12,122,814,059.10 and 4,775,887,866.60 is: 7,163,831,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081,876,039.40 : 12,122,814,059.10 = 4,775,887,866.60 : x
  2. Step 2: Convert to fraction form
    8,081,876,039.40/12,122,814,059.10 = 4,775,887,866.60/x
  3. Step 3: Cross multiply
    8,081,876,039.40x = 12,122,814,059.10 × 4,775,887,866.60
  4. Step 4: Simplify right side
    8,081,876,039.40x = 57,897,200,573,903,593,472
  5. Step 5: Solve for x
    x = 57,897,200,573,903,593,472/8,081,876,039.40
  6. Step 6: Final answer
    x = 7,163,831,799.90

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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.