Home / 8,348,366,999.20-12,522,550,498.80-7,940,220,311.20

Finding the Fourth Proportional to 8,348,366,999.20, 12,522,550,498.80 and 7,940,220,311.20

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Solution

The fourth proportional to 8,348,366,999.20, 12,522,550,498.80 and 7,940,220,311.20 is: 11,910,330,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348,366,999.20 : 12,522,550,498.80 = 7,940,220,311.20 : x
  2. Step 2: Convert to fraction form
    8,348,366,999.20/12,522,550,498.80 = 7,940,220,311.20/x
  3. Step 3: Cross multiply
    8,348,366,999.20x = 12,522,550,498.80 × 7,940,220,311.20
  4. Step 4: Simplify right side
    8,348,366,999.20x = 99,431,809,818,599,440,384
  5. Step 5: Solve for x
    x = 99,431,809,818,599,440,384/8,348,366,999.20
  6. Step 6: Final answer
    x = 11,910,330,466.80

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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.