Home / 481,626,693,785.32-664,657,434,121.80-261,908,236,391.57

Finding the Fourth Proportional to 481,626,693,785.32, 664,657,434,121.80 and 261,908,236,391.57

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Solution

The fourth proportional to 481,626,693,785.32, 664,657,434,121.80 and 261,908,236,391.57 is: 361,440,216,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,626,693,785.32 : 664,657,434,121.80 = 261,908,236,391.57 : x
  2. Step 2: Convert to fraction form
    481,626,693,785.32/664,657,434,121.80 = 261,908,236,391.57/x
  3. Step 3: Cross multiply
    481,626,693,785.32x = 664,657,434,121.80 × 261,908,236,391.57
  4. Step 4: Simplify right side
    481,626,693,785.32x = 174,079,256,375,386,766,835,712
  5. Step 5: Solve for x
    x = 174,079,256,375,386,766,835,712/481,626,693,785.32
  6. Step 6: Final answer
    x = 361,440,216,295.36

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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.