Finding the Fourth Proportional to 5,694,717,018.87, 8,538,961,553.76 and 4,521,831,755.67
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Solution
The fourth proportional to 5,694,717,018.87, 8,538,961,553.76 and 4,521,831,755.67 is: 6,780,275,013.89
Step by Step Solution
- Step 1: Write the proportion equation
5,694,717,018.87 : 8,538,961,553.76 = 4,521,831,755.67 : x - Step 2: Convert to fraction form
5,694,717,018.87/8,538,961,553.76 = 4,521,831,755.67/x - Step 3: Cross multiply
5,694,717,018.87x = 8,538,961,553.76 × 4,521,831,755.67 - Step 4: Simplify right side
5,694,717,018.87x = 38,611,747,514,194,518,016 - Step 5: Solve for x
x = 38,611,747,514,194,518,016/5,694,717,018.87 - Step 6: Final answer
x = 6,780,275,013.89
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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.