Home / 326,095,657.20-489,143,485.80-222,783,526.80

Finding the Fourth Proportional to 326,095,657.20, 489,143,485.80 and 222,783,526.80

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Solution

The fourth proportional to 326,095,657.20, 489,143,485.80 and 222,783,526.80 is: 334,175,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,095,657.20 : 489,143,485.80 = 222,783,526.80 : x
  2. Step 2: Convert to fraction form
    326,095,657.20/489,143,485.80 = 222,783,526.80/x
  3. Step 3: Cross multiply
    326,095,657.20x = 489,143,485.80 × 222,783,526.80
  4. Step 4: Simplify right side
    326,095,657.20x = 108,973,110,877,769,728
  5. Step 5: Solve for x
    x = 108,973,110,877,769,728/326,095,657.20
  6. Step 6: Final answer
    x = 334,175,290.20

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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.