Home / 379,166,112.83-523,265,395.34-211,902,369.12

Finding the Fourth Proportional to 379,166,112.83, 523,265,395.34 and 211,902,369.12

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Solution

The fourth proportional to 379,166,112.83, 523,265,395.34 and 211,902,369.12 is: 292,434,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,166,112.83 : 523,265,395.34 = 211,902,369.12 : x
  2. Step 2: Convert to fraction form
    379,166,112.83/523,265,395.34 = 211,902,369.12/x
  3. Step 3: Cross multiply
    379,166,112.83x = 523,265,395.34 × 211,902,369.12
  4. Step 4: Simplify right side
    379,166,112.83x = 110,881,176,951,589,168
  5. Step 5: Solve for x
    x = 110,881,176,951,589,168/379,166,112.83
  6. Step 6: Final answer
    x = 292,434,300.43

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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.