Home / 289,928,954,226.86-400,114,357,516.14-161,470,382,245.49

Finding the Fourth Proportional to 289,928,954,226.86, 400,114,357,516.14 and 161,470,382,245.49

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Solution

The fourth proportional to 289,928,954,226.86, 400,114,357,516.14 and 161,470,382,245.49 is: 222,836,033,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,928,954,226.86 : 400,114,357,516.14 = 161,470,382,245.49 : x
  2. Step 2: Convert to fraction form
    289,928,954,226.86/400,114,357,516.14 = 161,470,382,245.49/x
  3. Step 3: Cross multiply
    289,928,954,226.86x = 400,114,357,516.14 × 161,470,382,245.49
  4. Step 4: Simplify right side
    289,928,954,226.86x = 64,606,618,250,039,768,645,632
  5. Step 5: Solve for x
    x = 64,606,618,250,039,768,645,632/289,928,954,226.86
  6. Step 6: Final answer
    x = 222,836,033,821.88

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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.