Home / 36,315,505,908.72-50,116,285,873.08-20,258,072,780.76

Finding the Fourth Proportional to 36,315,505,908.72, 50,116,285,873.08 and 20,258,072,780.76

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Solution

The fourth proportional to 36,315,505,908.72, 50,116,285,873.08 and 20,258,072,780.76 is: 27,956,635,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,315,505,908.72 : 50,116,285,873.08 = 20,258,072,780.76 : x
  2. Step 2: Convert to fraction form
    36,315,505,908.72/50,116,285,873.08 = 20,258,072,780.76/x
  3. Step 3: Cross multiply
    36,315,505,908.72x = 50,116,285,873.08 × 20,258,072,780.76
  4. Step 4: Simplify right side
    36,315,505,908.72x = 1,015,259,366,718,228,791,296
  5. Step 5: Solve for x
    x = 1,015,259,366,718,228,791,296/36,315,505,908.72
  6. Step 6: Final answer
    x = 27,956,635,638.51

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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.