Finding the Fourth Proportional to 7,902,751,940.73, 11,854,824,693.71 and 2,230,390,990.31
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Solution
The fourth proportional to 7,902,751,940.73, 11,854,824,693.71 and 2,230,390,990.31 is: 3,345,783,138.18
Step by Step Solution
- Step 1: Write the proportion equation
7,902,751,940.73 : 11,854,824,693.71 = 2,230,390,990.31 : x - Step 2: Convert to fraction form
7,902,751,940.73/11,854,824,693.71 = 2,230,390,990.31/x - Step 3: Cross multiply
7,902,751,940.73x = 11,854,824,693.71 × 2,230,390,990.31 - Step 4: Simplify right side
7,902,751,940.73x = 26,440,894,188,484,861,952 - Step 5: Solve for x
x = 26,440,894,188,484,861,952/7,902,751,940.73 - Step 6: Final answer
x = 3,345,783,138.18
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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.