Home / 496,494,573.71-685,162,509.14-287,771,785.27

Finding the Fourth Proportional to 496,494,573.71, 685,162,509.14 and 287,771,785.27

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Solution

The fourth proportional to 496,494,573.71, 685,162,509.14 and 287,771,785.27 is: 397,125,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,494,573.71 : 685,162,509.14 = 287,771,785.27 : x
  2. Step 2: Convert to fraction form
    496,494,573.71/685,162,509.14 = 287,771,785.27/x
  3. Step 3: Cross multiply
    496,494,573.71x = 685,162,509.14 × 287,771,785.27
  4. Step 4: Simplify right side
    496,494,573.71x = 197,170,438,454,297,024
  5. Step 5: Solve for x
    x = 197,170,438,454,297,024/496,494,573.71
  6. Step 6: Final answer
    x = 397,125,062.18

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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.