Finding the Fourth Proportional to 8,455,716,737.73, 12,685,208,412.20 and 3,214,917,463.05
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Solution
The fourth proportional to 8,455,716,737.73, 12,685,208,412.20 and 3,214,917,463.05 is: 4,822,997,187.79
Step by Step Solution
- Step 1: Write the proportion equation
8,455,716,737.73 : 12,685,208,412.20 = 3,214,917,463.05 : x - Step 2: Convert to fraction form
8,455,716,737.73/12,685,208,412.20 = 3,214,917,463.05/x - Step 3: Cross multiply
8,455,716,737.73x = 12,685,208,412.20 × 3,214,917,463.05 - Step 4: Simplify right side
8,455,716,737.73x = 40,781,898,046,794,473,472 - Step 5: Solve for x
x = 40,781,898,046,794,473,472/8,455,716,737.73 - Step 6: Final answer
x = 4,822,997,187.79
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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.