Finding the Fourth Proportional to 434,643,981.09, 599,754,252.97 and 293,821,602.96
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Solution
The fourth proportional to 434,643,981.09, 599,754,252.97 and 293,821,602.96 is: 405,437,009.73
Step by Step Solution
- Step 1: Write the proportion equation
434,643,981.09 : 599,754,252.97 = 293,821,602.96 : x - Step 2: Convert to fraction form
434,643,981.09/599,754,252.97 = 293,821,602.96/x - Step 3: Cross multiply
434,643,981.09x = 599,754,252.97 × 293,821,602.96 - Step 4: Simplify right side
434,643,981.09x = 176,220,755,989,722,752 - Step 5: Solve for x
x = 176,220,755,989,722,752/434,643,981.09 - Step 6: Final answer
x = 405,437,009.73
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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.