Home / 268,372,753,917.21-402,556,478,016.85-122,953,803,438.33

Finding the Fourth Proportional to 268,372,753,917.21, 402,556,478,016.85 and 122,953,803,438.33

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Solution

The fourth proportional to 268,372,753,917.21, 402,556,478,016.85 and 122,953,803,438.33 is: 184,429,489,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,372,753,917.21 : 402,556,478,016.85 = 122,953,803,438.33 : x
  2. Step 2: Convert to fraction form
    268,372,753,917.21/402,556,478,016.85 = 122,953,803,438.33/x
  3. Step 3: Cross multiply
    268,372,753,917.21x = 402,556,478,016.85 × 122,953,803,438.33
  4. Step 4: Simplify right side
    268,372,753,917.21x = 49,495,850,070,910,185,766,912
  5. Step 5: Solve for x
    x = 49,495,850,070,910,185,766,912/268,372,753,917.21
  6. Step 6: Final answer
    x = 184,429,489,761.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.