Home / 14,121,103,736.94-19,488,008,165.31-7,777,470,308.46

Finding the Fourth Proportional to 14,121,103,736.94, 19,488,008,165.31 and 7,777,470,308.46

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Solution

The fourth proportional to 14,121,103,736.94, 19,488,008,165.31 and 7,777,470,308.46 is: 10,733,396,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,103,736.94 : 19,488,008,165.31 = 7,777,470,308.46 : x
  2. Step 2: Convert to fraction form
    14,121,103,736.94/19,488,008,165.31 = 7,777,470,308.46/x
  3. Step 3: Cross multiply
    14,121,103,736.94x = 19,488,008,165.31 × 7,777,470,308.46
  4. Step 4: Simplify right side
    14,121,103,736.94x = 151,567,404,876,724,568,064
  5. Step 5: Solve for x
    x = 151,567,404,876,724,568,064/14,121,103,736.94
  6. Step 6: Final answer
    x = 10,733,396,461.09

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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.