Home / 3,886,165,790.40-5,829,248,685.60-3,188,808,910.20

Finding the Fourth Proportional to 3,886,165,790.40, 5,829,248,685.60 and 3,188,808,910.20

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Solution

The fourth proportional to 3,886,165,790.40, 5,829,248,685.60 and 3,188,808,910.20 is: 4,783,213,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,165,790.40 : 5,829,248,685.60 = 3,188,808,910.20 : x
  2. Step 2: Convert to fraction form
    3,886,165,790.40/5,829,248,685.60 = 3,188,808,910.20/x
  3. Step 3: Cross multiply
    3,886,165,790.40x = 5,829,248,685.60 × 3,188,808,910.20
  4. Step 4: Simplify right side
    3,886,165,790.40x = 18,588,360,148,412,919,808
  5. Step 5: Solve for x
    x = 18,588,360,148,412,919,808/3,886,165,790.40
  6. Step 6: Final answer
    x = 4,783,213,365.30

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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.