Home / 3,886,165,908.90-5,829,248,863.35-3,188,809,028.70

Finding the Fourth Proportional to 3,886,165,908.90, 5,829,248,863.35 and 3,188,809,028.70

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Solution

The fourth proportional to 3,886,165,908.90, 5,829,248,863.35 and 3,188,809,028.70 is: 4,783,213,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,165,908.90 : 5,829,248,863.35 = 3,188,809,028.70 : x
  2. Step 2: Convert to fraction form
    3,886,165,908.90/5,829,248,863.35 = 3,188,809,028.70/x
  3. Step 3: Cross multiply
    3,886,165,908.90x = 5,829,248,863.35 × 3,188,809,028.70
  4. Step 4: Simplify right side
    3,886,165,908.90x = 18,588,361,405,989,691,392
  5. Step 5: Solve for x
    x = 18,588,361,405,989,691,392/3,886,165,908.90
  6. Step 6: Final answer
    x = 4,783,213,543.05

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Double scale
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Similar ratio
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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.