Home / 289,928,954,225.73-400,114,357,514.55-161,470,382,244.36

Finding the Fourth Proportional to 289,928,954,225.73, 400,114,357,514.55 and 161,470,382,244.36

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Solution

The fourth proportional to 289,928,954,225.73, 400,114,357,514.55 and 161,470,382,244.36 is: 222,836,033,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,928,954,225.73 : 400,114,357,514.55 = 161,470,382,244.36 : x
  2. Step 2: Convert to fraction form
    289,928,954,225.73/400,114,357,514.55 = 161,470,382,244.36/x
  3. Step 3: Cross multiply
    289,928,954,225.73x = 400,114,357,514.55 × 161,470,382,244.36
  4. Step 4: Simplify right side
    289,928,954,225.73x = 64,606,618,249,330,897,715,200
  5. Step 5: Solve for x
    x = 64,606,618,249,330,897,715,200/289,928,954,225.73
  6. Step 6: Final answer
    x = 222,836,033,820.31

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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.