Home / 489,153,032.73-734,189,249.61-256,150,984.77

Finding the Fourth Proportional to 489,153,032.73, 734,189,249.61 and 256,150,984.77

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Solution

The fourth proportional to 489,153,032.73, 734,189,249.61 and 256,150,984.77 is: 384,467,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,153,032.73 : 734,189,249.61 = 256,150,984.77 : x
  2. Step 2: Convert to fraction form
    489,153,032.73/734,189,249.61 = 256,150,984.77/x
  3. Step 3: Cross multiply
    489,153,032.73x = 734,189,249.61 × 256,150,984.77
  4. Step 4: Simplify right side
    489,153,032.73x = 188,063,299,295,148,864
  5. Step 5: Solve for x
    x = 188,063,299,295,148,864/489,153,032.73
  6. Step 6: Final answer
    x = 384,467,204.97

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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.