Finding the Fourth Proportional to 438,824,583.18, 605,578,734.16 and 237,880,836.18
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Solution
The fourth proportional to 438,824,583.18, 605,578,734.16 and 237,880,836.18 is: 328,275,992.68
Step by Step Solution
- Step 1: Write the proportion equation
438,824,583.18 : 605,578,734.16 = 237,880,836.18 : x - Step 2: Convert to fraction form
438,824,583.18/605,578,734.16 = 237,880,836.18/x - Step 3: Cross multiply
438,824,583.18x = 605,578,734.16 × 237,880,836.18 - Step 4: Simplify right side
438,824,583.18x = 144,055,575,654,806,720 - Step 5: Solve for x
x = 144,055,575,654,806,720/438,824,583.18 - Step 6: Final answer
x = 328,275,992.68
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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.