Home / 8,961,142,747.80-13,441,714,121.70-7,735,694,914.20

Finding the Fourth Proportional to 8,961,142,747.80, 13,441,714,121.70 and 7,735,694,914.20

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Solution

The fourth proportional to 8,961,142,747.80, 13,441,714,121.70 and 7,735,694,914.20 is: 11,603,542,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961,142,747.80 : 13,441,714,121.70 = 7,735,694,914.20 : x
  2. Step 2: Convert to fraction form
    8,961,142,747.80/13,441,714,121.70 = 7,735,694,914.20/x
  3. Step 3: Cross multiply
    8,961,142,747.80x = 13,441,714,121.70 × 7,735,694,914.20
  4. Step 4: Simplify right side
    8,961,142,747.80x = 103,980,999,569,365,008,384
  5. Step 5: Solve for x
    x = 103,980,999,569,365,008,384/8,961,142,747.80
  6. Step 6: Final answer
    x = 11,603,542,371.30

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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.