Home / 528,439,928.40-792,659,892.60-332,019,334.80

Finding the Fourth Proportional to 528,439,928.40, 792,659,892.60 and 332,019,334.80

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Solution

The fourth proportional to 528,439,928.40, 792,659,892.60 and 332,019,334.80 is: 498,029,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,439,928.40 : 792,659,892.60 = 332,019,334.80 : x
  2. Step 2: Convert to fraction form
    528,439,928.40/792,659,892.60 = 332,019,334.80/x
  3. Step 3: Cross multiply
    528,439,928.40x = 792,659,892.60 × 332,019,334.80
  4. Step 4: Simplify right side
    528,439,928.40x = 263,178,410,263,691,456
  5. Step 5: Solve for x
    x = 263,178,410,263,691,456/528,439,928.40
  6. Step 6: Final answer
    x = 498,029,002.20

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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.