Home / 8,121,189,194.44-12,173,186,121.00-2,731,699,242.32

Finding the Fourth Proportional to 8,121,189,194.44, 12,173,186,121.00 and 2,731,699,242.32

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Solution

The fourth proportional to 8,121,189,194.44, 12,173,186,121.00 and 2,731,699,242.32 is: 4,094,656,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,189,194.44 : 12,173,186,121.00 = 2,731,699,242.32 : x
  2. Step 2: Convert to fraction form
    8,121,189,194.44/12,173,186,121.00 = 2,731,699,242.32/x
  3. Step 3: Cross multiply
    8,121,189,194.44x = 12,173,186,121.00 × 2,731,699,242.32
  4. Step 4: Simplify right side
    8,121,189,194.44x = 33,253,483,303,297,343,488
  5. Step 5: Solve for x
    x = 33,253,483,303,297,343,488/8,121,189,194.44
  6. Step 6: Final answer
    x = 4,094,656,891.63

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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.