Finding the Fourth Proportional to 995,405,075.23, 1,492,941,143.09 and 365,006,865.09
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Solution
The fourth proportional to 995,405,075.23, 1,492,941,143.09 and 365,006,865.09 is: 547,449,254.55
Step by Step Solution
- Step 1: Write the proportion equation
995,405,075.23 : 1,492,941,143.09 = 365,006,865.09 : x - Step 2: Convert to fraction form
995,405,075.23/1,492,941,143.09 = 365,006,865.09/x - Step 3: Cross multiply
995,405,075.23x = 1,492,941,143.09 × 365,006,865.09 - Step 4: Simplify right side
995,405,075.23x = 544,933,766,407,592,576 - Step 5: Solve for x
x = 544,933,766,407,592,576/995,405,075.23 - Step 6: Final answer
x = 547,449,254.55
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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.