Home / 20,155,456,166.20-30,233,184,249.30-11,303,207,999.80

Finding the Fourth Proportional to 20,155,456,166.20, 30,233,184,249.30 and 11,303,207,999.80

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Solution

The fourth proportional to 20,155,456,166.20, 30,233,184,249.30 and 11,303,207,999.80 is: 16,954,811,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,456,166.20 : 30,233,184,249.30 = 11,303,207,999.80 : x
  2. Step 2: Convert to fraction form
    20,155,456,166.20/30,233,184,249.30 = 11,303,207,999.80/x
  3. Step 3: Cross multiply
    20,155,456,166.20x = 30,233,184,249.30 × 11,303,207,999.80
  4. Step 4: Simplify right side
    20,155,456,166.20x = 341,731,970,066,115,067,904
  5. Step 5: Solve for x
    x = 341,731,970,066,115,067,904/20,155,456,166.20
  6. Step 6: Final answer
    x = 16,954,811,999.70

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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.