Finding the Fourth Proportional to 2,783,481,941.75, 3,841,220,265.14 and 1,639,097,975.03
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Solution
The fourth proportional to 2,783,481,941.75, 3,841,220,265.14 and 1,639,097,975.03 is: 2,261,964,147.78
Step by Step Solution
- Step 1: Write the proportion equation
2,783,481,941.75 : 3,841,220,265.14 = 1,639,097,975.03 : x - Step 2: Convert to fraction form
2,783,481,941.75/3,841,220,265.14 = 1,639,097,975.03/x - Step 3: Cross multiply
2,783,481,941.75x = 3,841,220,265.14 × 1,639,097,975.03 - Step 4: Simplify right side
2,783,481,941.75x = 6,296,136,358,236,581,888 - Step 5: Solve for x
x = 6,296,136,358,236,581,888/2,783,481,941.75 - Step 6: Final answer
x = 2,261,964,147.78
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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.