Home / 496,430,682.45-685,122,731.31-370,764,708.39

Finding the Fourth Proportional to 496,430,682.45, 685,122,731.31 and 370,764,708.39

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Solution

The fourth proportional to 496,430,682.45, 685,122,731.31 and 370,764,708.39 is: 511,691,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,430,682.45 : 685,122,731.31 = 370,764,708.39 : x
  2. Step 2: Convert to fraction form
    496,430,682.45/685,122,731.31 = 370,764,708.39/x
  3. Step 3: Cross multiply
    496,430,682.45x = 685,122,731.31 × 370,764,708.39
  4. Step 4: Simplify right side
    496,430,682.45x = 254,019,329,685,512,448
  5. Step 5: Solve for x
    x = 254,019,329,685,512,448/496,430,682.45
  6. Step 6: Final answer
    x = 511,691,437.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.