Home / 216,378,004,620.86-324,616,870,133.97-74,887,427,949.20

Finding the Fourth Proportional to 216,378,004,620.86, 324,616,870,133.97 and 74,887,427,949.20

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Solution

The fourth proportional to 216,378,004,620.86, 324,616,870,133.97 and 74,887,427,949.20 is: 112,348,399,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,378,004,620.86 : 324,616,870,133.97 = 74,887,427,949.20 : x
  2. Step 2: Convert to fraction form
    216,378,004,620.86/324,616,870,133.97 = 74,887,427,949.20/x
  3. Step 3: Cross multiply
    216,378,004,620.86x = 324,616,870,133.97 × 74,887,427,949.20
  4. Step 4: Simplify right side
    216,378,004,620.86x = 24,309,722,473,252,488,478,720
  5. Step 5: Solve for x
    x = 24,309,722,473,252,488,478,720/216,378,004,620.86
  6. Step 6: Final answer
    x = 112,348,399,347.93

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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.