Home / 7,855,599,200.40-11,783,398,800.60-7,003,274,124.60

Finding the Fourth Proportional to 7,855,599,200.40, 11,783,398,800.60 and 7,003,274,124.60

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Solution

The fourth proportional to 7,855,599,200.40, 11,783,398,800.60 and 7,003,274,124.60 is: 10,504,911,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855,599,200.40 : 11,783,398,800.60 = 7,003,274,124.60 : x
  2. Step 2: Convert to fraction form
    7,855,599,200.40/11,783,398,800.60 = 7,003,274,124.60/x
  3. Step 3: Cross multiply
    7,855,599,200.40x = 11,783,398,800.60 × 7,003,274,124.60
  4. Step 4: Simplify right side
    7,855,599,200.40x = 82,522,371,920,084,664,320
  5. Step 5: Solve for x
    x = 82,522,371,920,084,664,320/7,855,599,200.40
  6. Step 6: Final answer
    x = 10,504,911,186.90

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Half scale
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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.