Finding the Fourth Proportional to 3,388,278,836.24, 5,078,024,192.28 and 1,521,546,148.88
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Solution
The fourth proportional to 3,388,278,836.24, 5,078,024,192.28 and 1,521,546,148.88 is: 2,280,346,018.47
Step by Step Solution
- Step 1: Write the proportion equation
3,388,278,836.24 : 5,078,024,192.28 = 1,521,546,148.88 : x - Step 2: Convert to fraction form
3,388,278,836.24/5,078,024,192.28 = 1,521,546,148.88/x - Step 3: Cross multiply
3,388,278,836.24x = 5,078,024,192.28 × 1,521,546,148.88 - Step 4: Simplify right side
3,388,278,836.24x = 7,726,448,153,683,106,816 - Step 5: Solve for x
x = 7,726,448,153,683,106,816/3,388,278,836.24 - Step 6: Final answer
x = 2,280,346,018.47
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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.