Finding the Fourth Proportional to 8,274,592,520.12, 11,419,178,829 and 4,515,645,207.98
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Solution
The fourth proportional to 8,274,592,520.12, 11,419,178,829 and 4,515,645,207.98 is: 6,231,721,989.07
Step by Step Solution
- Step 1: Write the proportion equation
8,274,592,520.12 : 11,419,178,829 = 4,515,645,207.98 : x - Step 2: Convert to fraction form
8,274,592,520.12/11,419,178,829 = 4,515,645,207.98/x - Step 3: Cross multiply
8,274,592,520.12x = 11,419,178,829 × 4,515,645,207.98 - Step 4: Simplify right side
8,274,592,520.12x = 51,564,960,158,240,514,048 - Step 5: Solve for x
x = 51,564,960,158,240,514,048/8,274,592,520.12 - Step 6: Final answer
x = 6,231,721,989.07
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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.