Home / 850,792,976.18-1,276,191,858.45-326,322,843.89

Finding the Fourth Proportional to 850,792,976.18, 1,276,191,858.45 and 326,322,843.89

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Solution

The fourth proportional to 850,792,976.18, 1,276,191,858.45 and 326,322,843.89 is: 489,485,184.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,792,976.18 : 1,276,191,858.45 = 326,322,843.89 : x
  2. Step 2: Convert to fraction form
    850,792,976.18/1,276,191,858.45 = 326,322,843.89/x
  3. Step 3: Cross multiply
    850,792,976.18x = 1,276,191,858.45 × 326,322,843.89
  4. Step 4: Simplify right side
    850,792,976.18x = 416,450,556,596,636,800
  5. Step 5: Solve for x
    x = 416,450,556,596,636,800/850,792,976.18
  6. Step 6: Final answer
    x = 489,485,184.12

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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.