Finding the Fourth Proportional to 747,112,230.99, 1,121,348,402.42 and 397,651,686.87
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Solution
The fourth proportional to 747,112,230.99, 1,121,348,402.42 and 397,651,686.87 is: 596,839,491.17
Step by Step Solution
- Step 1: Write the proportion equation
747,112,230.99 : 1,121,348,402.42 = 397,651,686.87 : x - Step 2: Convert to fraction form
747,112,230.99/1,121,348,402.42 = 397,651,686.87/x - Step 3: Cross multiply
747,112,230.99x = 1,121,348,402.42 × 397,651,686.87 - Step 4: Simplify right side
747,112,230.99x = 445,906,083,789,304,320 - Step 5: Solve for x
x = 445,906,083,789,304,320/747,112,230.99 - Step 6: Final answer
x = 596,839,491.17
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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.