Home / 8,281,809,991.80-12,422,714,987.70-4,786,416,246.60

Finding the Fourth Proportional to 8,281,809,991.80, 12,422,714,987.70 and 4,786,416,246.60

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Solution

The fourth proportional to 8,281,809,991.80, 12,422,714,987.70 and 4,786,416,246.60 is: 7,179,624,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281,809,991.80 : 12,422,714,987.70 = 4,786,416,246.60 : x
  2. Step 2: Convert to fraction form
    8,281,809,991.80/12,422,714,987.70 = 4,786,416,246.60/x
  3. Step 3: Cross multiply
    8,281,809,991.80x = 12,422,714,987.70 × 4,786,416,246.60
  4. Step 4: Simplify right side
    8,281,809,991.80x = 59,460,284,844,008,603,648
  5. Step 5: Solve for x
    x = 59,460,284,844,008,603,648/8,281,809,991.80
  6. Step 6: Final answer
    x = 7,179,624,369.90

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Double scale
Find fourth proportional to 8,281,809,992.80, 12,422,714,989.20 and 4,786,416,247.60
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.