Home / 6,787,135,690.49-9,366,100,193.31-3,929,398,318.19

Finding the Fourth Proportional to 6,787,135,690.49, 9,366,100,193.31 and 3,929,398,318.19

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Solution

The fourth proportional to 6,787,135,690.49, 9,366,100,193.31 and 3,929,398,318.19 is: 5,422,484,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,135,690.49 : 9,366,100,193.31 = 3,929,398,318.19 : x
  2. Step 2: Convert to fraction form
    6,787,135,690.49/9,366,100,193.31 = 3,929,398,318.19/x
  3. Step 3: Cross multiply
    6,787,135,690.49x = 9,366,100,193.31 × 3,929,398,318.19
  4. Step 4: Simplify right side
    6,787,135,690.49x = 36,803,138,347,591,348,224
  5. Step 5: Solve for x
    x = 36,803,138,347,591,348,224/6,787,135,690.49
  6. Step 6: Final answer
    x = 5,422,484,539.27

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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.