Home / 528,626,793.60-792,940,190.40-322,002,532.80

Finding the Fourth Proportional to 528,626,793.60, 792,940,190.40 and 322,002,532.80

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Solution

The fourth proportional to 528,626,793.60, 792,940,190.40 and 322,002,532.80 is: 483,003,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,626,793.60 : 792,940,190.40 = 322,002,532.80 : x
  2. Step 2: Convert to fraction form
    528,626,793.60/792,940,190.40 = 322,002,532.80/x
  3. Step 3: Cross multiply
    528,626,793.60x = 792,940,190.40 × 322,002,532.80
  4. Step 4: Simplify right side
    528,626,793.60x = 255,328,749,667,714,240
  5. Step 5: Solve for x
    x = 255,328,749,667,714,240/528,626,793.60
  6. Step 6: Final answer
    x = 483,003,799.20

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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.