Finding the Fourth Proportional to 2,783,481,942, 3,841,220,265.48 and 1,639,097,975.28
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Solution
The fourth proportional to 2,783,481,942, 3,841,220,265.48 and 1,639,097,975.28 is: 2,261,964,148.12
Step by Step Solution
- Step 1: Write the proportion equation
2,783,481,942 : 3,841,220,265.48 = 1,639,097,975.28 : x - Step 2: Convert to fraction form
2,783,481,942/3,841,220,265.48 = 1,639,097,975.28/x - Step 3: Cross multiply
2,783,481,942x = 3,841,220,265.48 × 1,639,097,975.28 - Step 4: Simplify right side
2,783,481,942x = 6,296,136,359,752,771,584 - Step 5: Solve for x
x = 6,296,136,359,752,771,584/2,783,481,942 - Step 6: Final answer
x = 2,261,964,148.12
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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.