Home / 2,565,789,909.22-3,540,790,104.96-1,392,368,181.22

Finding the Fourth Proportional to 2,565,789,909.22, 3,540,790,104.96 and 1,392,368,181.22

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Solution

The fourth proportional to 2,565,789,909.22, 3,540,790,104.96 and 1,392,368,181.22 is: 1,921,468,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565,789,909.22 : 3,540,790,104.96 = 1,392,368,181.22 : x
  2. Step 2: Convert to fraction form
    2,565,789,909.22/3,540,790,104.96 = 1,392,368,181.22/x
  3. Step 3: Cross multiply
    2,565,789,909.22x = 3,540,790,104.96 × 1,392,368,181.22
  4. Step 4: Simplify right side
    2,565,789,909.22x = 4,930,083,478,528,628,736
  5. Step 5: Solve for x
    x = 4,930,083,478,528,628,736/2,565,789,909.22
  6. Step 6: Final answer
    x = 1,921,468,106.49

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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.