Home / 289,928,954,215.22-400,114,357,500.08-161,470,382,233.84

Finding the Fourth Proportional to 289,928,954,215.22, 400,114,357,500.08 and 161,470,382,233.84

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Solution

The fourth proportional to 289,928,954,215.22, 400,114,357,500.08 and 161,470,382,233.84 is: 222,836,033,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,928,954,215.22 : 400,114,357,500.08 = 161,470,382,233.84 : x
  2. Step 2: Convert to fraction form
    289,928,954,215.22/400,114,357,500.08 = 161,470,382,233.84/x
  3. Step 3: Cross multiply
    289,928,954,215.22x = 400,114,357,500.08 × 161,470,382,233.84
  4. Step 4: Simplify right side
    289,928,954,215.22x = 64,606,618,242,785,224,949,760
  5. Step 5: Solve for x
    x = 64,606,618,242,785,224,949,760/289,928,954,215.22
  6. Step 6: Final answer
    x = 222,836,033,805.81

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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.