Finding the Fourth Proportional to 2,783,481,941.85, 3,841,220,265.26 and 1,639,097,975.13
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Solution
The fourth proportional to 2,783,481,941.85, 3,841,220,265.26 and 1,639,097,975.13 is: 2,261,964,147.91
Step by Step Solution
- Step 1: Write the proportion equation
2,783,481,941.85 : 3,841,220,265.26 = 1,639,097,975.13 : x - Step 2: Convert to fraction form
2,783,481,941.85/3,841,220,265.26 = 1,639,097,975.13/x - Step 3: Cross multiply
2,783,481,941.85x = 3,841,220,265.26 × 1,639,097,975.13 - Step 4: Simplify right side
2,783,481,941.85x = 6,296,136,358,802,594,816 - Step 5: Solve for x
x = 6,296,136,358,802,594,816/2,783,481,941.85 - Step 6: Final answer
x = 2,261,964,147.91
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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.