Home / 258,893,828.80-388,340,743.20-236,722,897.60

Finding the Fourth Proportional to 258,893,828.80, 388,340,743.20 and 236,722,897.60

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Solution

The fourth proportional to 258,893,828.80, 388,340,743.20 and 236,722,897.60 is: 355,084,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,893,828.80 : 388,340,743.20 = 236,722,897.60 : x
  2. Step 2: Convert to fraction form
    258,893,828.80/388,340,743.20 = 236,722,897.60/x
  3. Step 3: Cross multiply
    258,893,828.80x = 388,340,743.20 × 236,722,897.60
  4. Step 4: Simplify right side
    258,893,828.80x = 91,929,145,986,441,488
  5. Step 5: Solve for x
    x = 91,929,145,986,441,488/258,893,828.80
  6. Step 6: Final answer
    x = 355,084,346.40

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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.