Home / 528,353,464.80-791,858,350.80-255,135,928.80

Finding the Fourth Proportional to 528,353,464.80, 791,858,350.80 and 255,135,928.80

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Solution

The fourth proportional to 528,353,464.80, 791,858,350.80 and 255,135,928.80 is: 382,379,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,353,464.80 : 791,858,350.80 = 255,135,928.80 : x
  2. Step 2: Convert to fraction form
    528,353,464.80/791,858,350.80 = 255,135,928.80/x
  3. Step 3: Cross multiply
    528,353,464.80x = 791,858,350.80 × 255,135,928.80
  4. Step 4: Simplify right side
    528,353,464.80x = 202,031,515,809,394,208
  5. Step 5: Solve for x
    x = 202,031,515,809,394,208/528,353,464.80
  6. Step 6: Final answer
    x = 382,379,466.15

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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.