Home / 489,152,993.60-734,189,190.98-256,150,945.85

Finding the Fourth Proportional to 489,152,993.60, 734,189,190.98 and 256,150,945.85

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Solution

The fourth proportional to 489,152,993.60, 734,189,190.98 and 256,150,945.85 is: 384,467,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,152,993.60 : 734,189,190.98 = 256,150,945.85 : x
  2. Step 2: Convert to fraction form
    489,152,993.60/734,189,190.98 = 256,150,945.85/x
  3. Step 3: Cross multiply
    489,152,993.60x = 734,189,190.98 × 256,150,945.85
  4. Step 4: Simplify right side
    489,152,993.60x = 188,063,255,697,421,600
  5. Step 5: Solve for x
    x = 188,063,255,697,421,600/489,152,993.60
  6. Step 6: Final answer
    x = 384,467,146.60

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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.