Finding the Fourth Proportional to 350,517,642.50, 483,684,213.95 and 193,845,752.03
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Solution
The fourth proportional to 350,517,642.50, 483,684,213.95 and 193,845,752.03 is: 267,490,473.60
Step by Step Solution
- Step 1: Write the proportion equation
350,517,642.50 : 483,684,213.95 = 193,845,752.03 : x - Step 2: Convert to fraction form
350,517,642.50/483,684,213.95 = 193,845,752.03/x - Step 3: Cross multiply
350,517,642.50x = 483,684,213.95 × 193,845,752.03 - Step 4: Simplify right side
350,517,642.50x = 93,760,130,199,144,080 - Step 5: Solve for x
x = 93,760,130,199,144,080/350,517,642.50 - Step 6: Final answer
x = 267,490,473.60
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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.