Home / 6,705,309,973.75-9,250,420,216.12-3,991,055,836.21

Finding the Fourth Proportional to 6,705,309,973.75, 9,250,420,216.12 and 3,991,055,836.21

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Solution

The fourth proportional to 6,705,309,973.75, 9,250,420,216.12 and 3,991,055,836.21 is: 5,505,926,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705,309,973.75 : 9,250,420,216.12 = 3,991,055,836.21 : x
  2. Step 2: Convert to fraction form
    6,705,309,973.75/9,250,420,216.12 = 3,991,055,836.21/x
  3. Step 3: Cross multiply
    6,705,309,973.75x = 9,250,420,216.12 × 3,991,055,836.21
  4. Step 4: Simplify right side
    6,705,309,973.75x = 36,918,943,590,940,696,576
  5. Step 5: Solve for x
    x = 36,918,943,590,940,696,576/6,705,309,973.75
  6. Step 6: Final answer
    x = 5,505,926,457.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.