Home / 14,122,071,311.26-19,488,457,485.75-8,185,067,550.94

Finding the Fourth Proportional to 14,122,071,311.26, 19,488,457,485.75 and 8,185,067,550.94

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Solution

The fourth proportional to 14,122,071,311.26, 19,488,457,485.75 and 8,185,067,550.94 is: 11,295,392,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122,071,311.26 : 19,488,457,485.75 = 8,185,067,550.94 : x
  2. Step 2: Convert to fraction form
    14,122,071,311.26/19,488,457,485.75 = 8,185,067,550.94/x
  3. Step 3: Cross multiply
    14,122,071,311.26x = 19,488,457,485.75 × 8,185,067,550.94
  4. Step 4: Simplify right side
    14,122,071,311.26x = 159,514,340,984,486,068,224
  5. Step 5: Solve for x
    x = 159,514,340,984,486,068,224/14,122,071,311.26
  6. Step 6: Final answer
    x = 11,295,392,684.87

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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.