Finding the Fourth Proportional to 7,676,469,780.50, 11,514,704,670.76 and 1,860,379,476.50
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Solution
The fourth proportional to 7,676,469,780.50, 11,514,704,670.76 and 1,860,379,476.50 is: 2,790,569,214.75
Step by Step Solution
- Step 1: Write the proportion equation
7,676,469,780.50 : 11,514,704,670.76 = 1,860,379,476.50 : x - Step 2: Convert to fraction form
7,676,469,780.50/11,514,704,670.76 = 1,860,379,476.50/x - Step 3: Cross multiply
7,676,469,780.50x = 11,514,704,670.76 × 1,860,379,476.50 - Step 4: Simplify right side
7,676,469,780.50x = 21,421,720,247,440,592,896 - Step 5: Solve for x
x = 21,421,720,247,440,592,896/7,676,469,780.50 - Step 6: Final answer
x = 2,790,569,214.75
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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.