Home / 30,919,799,447.15-46,449,516,785.58-18,336,910,893.12

Finding the Fourth Proportional to 30,919,799,447.15, 46,449,516,785.58 and 18,336,910,893.12

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Solution

The fourth proportional to 30,919,799,447.15, 46,449,516,785.58 and 18,336,910,893.12 is: 27,546,771,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919,799,447.15 : 46,449,516,785.58 = 18,336,910,893.12 : x
  2. Step 2: Convert to fraction form
    30,919,799,447.15/46,449,516,785.58 = 18,336,910,893.12/x
  3. Step 3: Cross multiply
    30,919,799,447.15x = 46,449,516,785.58 × 18,336,910,893.12
  4. Step 4: Simplify right side
    30,919,799,447.15x = 851,740,650,325,662,236,672
  5. Step 5: Solve for x
    x = 851,740,650,325,662,236,672/30,919,799,447.15
  6. Step 6: Final answer
    x = 27,546,771,504.18

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Double scale
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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.