Home / 14,121,103,739.44-19,488,008,168.76-7,777,470,310.96

Finding the Fourth Proportional to 14,121,103,739.44, 19,488,008,168.76 and 7,777,470,310.96

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Solution

The fourth proportional to 14,121,103,739.44, 19,488,008,168.76 and 7,777,470,310.96 is: 10,733,396,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,103,739.44 : 19,488,008,168.76 = 7,777,470,310.96 : x
  2. Step 2: Convert to fraction form
    14,121,103,739.44/19,488,008,168.76 = 7,777,470,310.96/x
  3. Step 3: Cross multiply
    14,121,103,739.44x = 19,488,008,168.76 × 7,777,470,310.96
  4. Step 4: Simplify right side
    14,121,103,739.44x = 151,567,404,952,276,860,928
  5. Step 5: Solve for x
    x = 151,567,404,952,276,860,928/14,121,103,739.44
  6. Step 6: Final answer
    x = 10,733,396,464.54

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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.