Home / 379,166,118.09-523,265,402.60-211,902,374.37

Finding the Fourth Proportional to 379,166,118.09, 523,265,402.60 and 211,902,374.37

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Solution

The fourth proportional to 379,166,118.09, 523,265,402.60 and 211,902,374.37 is: 292,434,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,166,118.09 : 523,265,402.60 = 211,902,374.37 : x
  2. Step 2: Convert to fraction form
    379,166,118.09/523,265,402.60 = 211,902,374.37/x
  3. Step 3: Cross multiply
    379,166,118.09x = 523,265,402.60 × 211,902,374.37
  4. Step 4: Simplify right side
    379,166,118.09x = 110,881,181,235,554,464
  5. Step 5: Solve for x
    x = 110,881,181,235,554,464/379,166,118.09
  6. Step 6: Final answer
    x = 292,434,307.67

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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.