Home / 15,246,465,493.96-21,040,313,038.59-8,380,611,733.22

Finding the Fourth Proportional to 15,246,465,493.96, 21,040,313,038.59 and 8,380,611,733.22

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Solution

The fourth proportional to 15,246,465,493.96, 21,040,313,038.59 and 8,380,611,733.22 is: 11,565,348,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246,465,493.96 : 21,040,313,038.59 = 8,380,611,733.22 : x
  2. Step 2: Convert to fraction form
    15,246,465,493.96/21,040,313,038.59 = 8,380,611,733.22/x
  3. Step 3: Cross multiply
    15,246,465,493.96x = 21,040,313,038.59 × 8,380,611,733.22
  4. Step 4: Simplify right side
    15,246,465,493.96x = 176,330,694,321,795,465,216
  5. Step 5: Solve for x
    x = 176,330,694,321,795,465,216/15,246,465,493.96
  6. Step 6: Final answer
    x = 11,565,348,991.32

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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.