Finding the Fourth Proportional to 5,388,914,579.80, 8,083,371,869.70 and 3,320,971,360.60
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Solution
The fourth proportional to 5,388,914,579.80, 8,083,371,869.70 and 3,320,971,360.60 is: 4,981,457,040.90
Step by Step Solution
- Step 1: Write the proportion equation
5,388,914,579.80 : 8,083,371,869.70 = 3,320,971,360.60 : x - Step 2: Convert to fraction form
5,388,914,579.80/8,083,371,869.70 = 3,320,971,360.60/x - Step 3: Cross multiply
5,388,914,579.80x = 8,083,371,869.70 × 3,320,971,360.60 - Step 4: Simplify right side
5,388,914,579.80x = 26,844,646,476,353,372,160 - Step 5: Solve for x
x = 26,844,646,476,353,372,160/5,388,914,579.80 - Step 6: Final answer
x = 4,981,457,040.90
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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.