Home / 379,008,171.63-523,034,882.78-222,377,943.51

Finding the Fourth Proportional to 379,008,171.63, 523,034,882.78 and 222,377,943.51

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Solution

The fourth proportional to 379,008,171.63, 523,034,882.78 and 222,377,943.51 is: 306,883,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,008,171.63 : 523,034,882.78 = 222,377,943.51 : x
  2. Step 2: Convert to fraction form
    379,008,171.63/523,034,882.78 = 222,377,943.51/x
  3. Step 3: Cross multiply
    379,008,171.63x = 523,034,882.78 × 222,377,943.51
  4. Step 4: Simplify right side
    379,008,171.63x = 116,311,421,615,498,416
  5. Step 5: Solve for x
    x = 116,311,421,615,498,416/379,008,171.63
  6. Step 6: Final answer
    x = 306,883,677.77

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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.