Finding the Fourth Proportional to 3,796,488,313.87, 5,239,153,424.25 and 2,270,576,217.98
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Solution
The fourth proportional to 3,796,488,313.87, 5,239,153,424.25 and 2,270,576,217.98 is: 3,133,394,912.35
Step by Step Solution
- Step 1: Write the proportion equation
3,796,488,313.87 : 5,239,153,424.25 = 2,270,576,217.98 : x - Step 2: Convert to fraction form
3,796,488,313.87/5,239,153,424.25 = 2,270,576,217.98/x - Step 3: Cross multiply
3,796,488,313.87x = 5,239,153,424.25 × 2,270,576,217.98 - Step 4: Simplify right side
3,796,488,313.87x = 11,895,897,167,473,582,080 - Step 5: Solve for x
x = 11,895,897,167,473,582,080/3,796,488,313.87 - Step 6: Final answer
x = 3,133,394,912.35
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1.5x scale
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.