Finding the Fourth Proportional to 841,866,154.22, 1,161,198,836.42 and 548,907,531.50
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Solution
The fourth proportional to 841,866,154.22, 1,161,198,836.42 and 548,907,531.50 is: 757,116,536.50
Step by Step Solution
- Step 1: Write the proportion equation
841,866,154.22 : 1,161,198,836.42 = 548,907,531.50 : x - Step 2: Convert to fraction form
841,866,154.22/1,161,198,836.42 = 548,907,531.50/x - Step 3: Cross multiply
841,866,154.22x = 1,161,198,836.42 × 548,907,531.50 - Step 4: Simplify right side
841,866,154.22x = 637,390,786,879,974,528 - Step 5: Solve for x
x = 637,390,786,879,974,528/841,866,154.22 - Step 6: Final answer
x = 757,116,536.50
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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.