Home / 289,928,954,214.78-400,114,357,499.40-161,470,382,233.41

Finding the Fourth Proportional to 289,928,954,214.78, 400,114,357,499.40 and 161,470,382,233.41

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Solution

The fourth proportional to 289,928,954,214.78, 400,114,357,499.40 and 161,470,382,233.41 is: 222,836,033,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,928,954,214.78 : 400,114,357,499.40 = 161,470,382,233.41 : x
  2. Step 2: Convert to fraction form
    289,928,954,214.78/400,114,357,499.40 = 161,470,382,233.41/x
  3. Step 3: Cross multiply
    289,928,954,214.78x = 400,114,357,499.40 × 161,470,382,233.41
  4. Step 4: Simplify right side
    289,928,954,214.78x = 64,606,618,242,503,384,498,176
  5. Step 5: Solve for x
    x = 64,606,618,242,503,384,498,176/289,928,954,214.78
  6. Step 6: Final answer
    x = 222,836,033,805.17

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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.