Home / 2,039,861,999.60-3,059,792,999.40-659,816,010.80

Finding the Fourth Proportional to 2,039,861,999.60, 3,059,792,999.40 and 659,816,010.80

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Solution

The fourth proportional to 2,039,861,999.60, 3,059,792,999.40 and 659,816,010.80 is: 989,724,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,861,999.60 : 3,059,792,999.40 = 659,816,010.80 : x
  2. Step 2: Convert to fraction form
    2,039,861,999.60/3,059,792,999.40 = 659,816,010.80/x
  3. Step 3: Cross multiply
    2,039,861,999.60x = 3,059,792,999.40 × 659,816,010.80
  4. Step 4: Simplify right side
    2,039,861,999.60x = 2,018,900,410,737,874,688
  5. Step 5: Solve for x
    x = 2,018,900,410,737,874,688/2,039,861,999.60
  6. Step 6: Final answer
    x = 989,724,016.20

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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.