Home / 485,825,365.27-728,152,556.50-223,147,438.80

Finding the Fourth Proportional to 485,825,365.27, 728,152,556.50 and 223,147,438.80

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Solution

The fourth proportional to 485,825,365.27, 728,152,556.50 and 223,147,438.80 is: 334,452,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,825,365.27 : 728,152,556.50 = 223,147,438.80 : x
  2. Step 2: Convert to fraction form
    485,825,365.27/728,152,556.50 = 223,147,438.80/x
  3. Step 3: Cross multiply
    485,825,365.27x = 728,152,556.50 × 223,147,438.80
  4. Step 4: Simplify right side
    485,825,365.27x = 162,485,378,038,647,296
  5. Step 5: Solve for x
    x = 162,485,378,038,647,296/485,825,365.27
  6. Step 6: Final answer
    x = 334,452,232.54

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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.