Finding the Fourth Proportional to 5,749,724,121.68, 7,934,696,382.60 and 3,243,590,083.28
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Solution
The fourth proportional to 5,749,724,121.68, 7,934,696,382.60 and 3,243,590,083.28 is: 4,476,197,806.33
Step by Step Solution
- Step 1: Write the proportion equation
5,749,724,121.68 : 7,934,696,382.60 = 3,243,590,083.28 : x - Step 2: Convert to fraction form
5,749,724,121.68/7,934,696,382.60 = 3,243,590,083.28/x - Step 3: Cross multiply
5,749,724,121.68x = 7,934,696,382.60 × 3,243,590,083.28 - Step 4: Simplify right side
5,749,724,121.68x = 25,736,902,500,458,885,120 - Step 5: Solve for x
x = 25,736,902,500,458,885,120/5,749,724,121.68 - Step 6: Final answer
x = 4,476,197,806.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.