Home / 405,122,396.95-559,061,620.14-228,906,608.94

Finding the Fourth Proportional to 405,122,396.95, 559,061,620.14 and 228,906,608.94

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Solution

The fourth proportional to 405,122,396.95, 559,061,620.14 and 228,906,608.94 is: 315,887,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,122,396.95 : 559,061,620.14 = 228,906,608.94 : x
  2. Step 2: Convert to fraction form
    405,122,396.95/559,061,620.14 = 228,906,608.94/x
  3. Step 3: Cross multiply
    405,122,396.95x = 559,061,620.14 × 228,906,608.94
  4. Step 4: Simplify right side
    405,122,396.95x = 127,972,899,655,244,912
  5. Step 5: Solve for x
    x = 127,972,899,655,244,912/405,122,396.95
  6. Step 6: Final answer
    x = 315,887,002.59

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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.