Finding the Fourth Proportional to 3,778,790,855.70, 5,664,029,233.95 and 1,323,864,110.10
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Solution
The fourth proportional to 3,778,790,855.70, 5,664,029,233.95 and 1,323,864,110.10 is: 1,984,339,781.62
Step by Step Solution
- Step 1: Write the proportion equation
3,778,790,855.70 : 5,664,029,233.95 = 1,323,864,110.10 : x - Step 2: Convert to fraction form
3,778,790,855.70/5,664,029,233.95 = 1,323,864,110.10/x - Step 3: Cross multiply
3,778,790,855.70x = 5,664,029,233.95 × 1,323,864,110.10 - Step 4: Simplify right side
3,778,790,855.70x = 7,498,405,021,383,601,152 - Step 5: Solve for x
x = 7,498,405,021,383,601,152/3,778,790,855.70 - Step 6: Final answer
x = 1,984,339,781.62
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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.