Finding the Fourth Proportional to 3,576,148,374.97, 5,364,279,448.47 and 1,990,858,828.79
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Solution
The fourth proportional to 3,576,148,374.97, 5,364,279,448.47 and 1,990,858,828.79 is: 2,986,319,911.90
Step by Step Solution
- Step 1: Write the proportion equation
3,576,148,374.97 : 5,364,279,448.47 = 1,990,858,828.79 : x - Step 2: Convert to fraction form
3,576,148,374.97/5,364,279,448.47 = 1,990,858,828.79/x - Step 3: Cross multiply
3,576,148,374.97x = 5,364,279,448.47 × 1,990,858,828.79 - Step 4: Simplify right side
3,576,148,374.97x = 10,679,523,100,096,663,552 - Step 5: Solve for x
x = 10,679,523,100,096,663,552/3,576,148,374.97 - Step 6: Final answer
x = 2,986,319,911.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.