Home / 258,972,826.40-388,459,239.60-237,809,664.80

Finding the Fourth Proportional to 258,972,826.40, 388,459,239.60 and 237,809,664.80

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Solution

The fourth proportional to 258,972,826.40, 388,459,239.60 and 237,809,664.80 is: 356,714,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,972,826.40 : 388,459,239.60 = 237,809,664.80 : x
  2. Step 2: Convert to fraction form
    258,972,826.40/388,459,239.60 = 237,809,664.80/x
  3. Step 3: Cross multiply
    258,972,826.40x = 388,459,239.60 × 237,809,664.80
  4. Step 4: Simplify right side
    258,972,826.40x = 92,379,361,557,738,896
  5. Step 5: Solve for x
    x = 92,379,361,557,738,896/258,972,826.40
  6. Step 6: Final answer
    x = 356,714,497.20

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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.