Finding the Fourth Proportional to 3,763,437,536.80, 5,194,193,864.16 and 2,178,403,436.44
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Solution
The fourth proportional to 3,763,437,536.80, 5,194,193,864.16 and 2,178,403,436.44 is: 3,006,573,020.70
Step by Step Solution
- Step 1: Write the proportion equation
3,763,437,536.80 : 5,194,193,864.16 = 2,178,403,436.44 : x - Step 2: Convert to fraction form
3,763,437,536.80/5,194,193,864.16 = 2,178,403,436.44/x - Step 3: Cross multiply
3,763,437,536.80x = 5,194,193,864.16 × 2,178,403,436.44 - Step 4: Simplify right side
3,763,437,536.80x = 11,315,049,763,221,706,752 - Step 5: Solve for x
x = 11,315,049,763,221,706,752/3,763,437,536.80 - Step 6: Final answer
x = 3,006,573,020.70
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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.