Home / 481,085,573.49-663,898,085.73-261,068,999.49

Finding the Fourth Proportional to 481,085,573.49, 663,898,085.73 and 261,068,999.49

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Solution

The fourth proportional to 481,085,573.49, 663,898,085.73 and 261,068,999.49 is: 360,275,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,085,573.49 : 663,898,085.73 = 261,068,999.49 : x
  2. Step 2: Convert to fraction form
    481,085,573.49/663,898,085.73 = 261,068,999.49/x
  3. Step 3: Cross multiply
    481,085,573.49x = 663,898,085.73 × 261,068,999.49
  4. Step 4: Simplify right side
    481,085,573.49x = 173,323,209,004,857,344
  5. Step 5: Solve for x
    x = 173,323,209,004,857,344/481,085,573.49
  6. Step 6: Final answer
    x = 360,275,216.21

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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.