Home / 354,886,759.62-489,046,099.77-271,349,541.54

Finding the Fourth Proportional to 354,886,759.62, 489,046,099.77 and 271,349,541.54

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Solution

The fourth proportional to 354,886,759.62, 489,046,099.77 and 271,349,541.54 is: 373,928,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,886,759.62 : 489,046,099.77 = 271,349,541.54 : x
  2. Step 2: Convert to fraction form
    354,886,759.62/489,046,099.77 = 271,349,541.54/x
  3. Step 3: Cross multiply
    354,886,759.62x = 489,046,099.77 × 271,349,541.54
  4. Step 4: Simplify right side
    354,886,759.62x = 132,702,434,964,514,608
  5. Step 5: Solve for x
    x = 132,702,434,964,514,608/354,886,759.62
  6. Step 6: Final answer
    x = 373,928,954.43

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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.