Home / 379,266,966.63-523,384,458.39-222,603,806.07

Finding the Fourth Proportional to 379,266,966.63, 523,384,458.39 and 222,603,806.07

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Solution

The fourth proportional to 379,266,966.63, 523,384,458.39 and 222,603,806.07 is: 307,190,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,266,966.63 : 523,384,458.39 = 222,603,806.07 : x
  2. Step 2: Convert to fraction form
    379,266,966.63/523,384,458.39 = 222,603,806.07/x
  3. Step 3: Cross multiply
    379,266,966.63x = 523,384,458.39 × 222,603,806.07
  4. Step 4: Simplify right side
    379,266,966.63x = 116,507,372,475,499,536
  5. Step 5: Solve for x
    x = 116,507,372,475,499,536/379,266,966.63
  6. Step 6: Final answer
    x = 307,190,930.73

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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.