Finding the Fourth Proportional to 747,112,352.29, 1,121,348,584.28 and 397,651,808.18
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Solution
The fourth proportional to 747,112,352.29, 1,121,348,584.28 and 397,651,808.18 is: 596,839,673.15
Step by Step Solution
- Step 1: Write the proportion equation
747,112,352.29 : 1,121,348,584.28 = 397,651,808.18 : x - Step 2: Convert to fraction form
747,112,352.29/1,121,348,584.28 = 397,651,808.18/x - Step 3: Cross multiply
747,112,352.29x = 1,121,348,584.28 × 397,651,808.18 - Step 4: Simplify right side
747,112,352.29x = 445,906,292,142,822,656 - Step 5: Solve for x
x = 445,906,292,142,822,656/747,112,352.29 - Step 6: Final answer
x = 596,839,673.15
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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.