Home / 404,289,955.20-606,434,932.80-308,738,467.20

Finding the Fourth Proportional to 404,289,955.20, 606,434,932.80 and 308,738,467.20

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Solution

The fourth proportional to 404,289,955.20, 606,434,932.80 and 308,738,467.20 is: 463,107,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,289,955.20 : 606,434,932.80 = 308,738,467.20 : x
  2. Step 2: Convert to fraction form
    404,289,955.20/606,434,932.80 = 308,738,467.20/x
  3. Step 3: Cross multiply
    404,289,955.20x = 606,434,932.80 × 308,738,467.20
  4. Step 4: Simplify right side
    404,289,955.20x = 187,229,791,609,206,976
  5. Step 5: Solve for x
    x = 187,229,791,609,206,976/404,289,955.20
  6. Step 6: Final answer
    x = 463,107,700.80

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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.