Finding the Fourth Proportional to 3,531,320,539.04, 5,295,141,549.12 and 1,665,465,251.78
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Solution
The fourth proportional to 3,531,320,539.04, 5,295,141,549.12 and 1,665,465,251.78 is: 2,497,330,433.71
Step by Step Solution
- Step 1: Write the proportion equation
3,531,320,539.04 : 5,295,141,549.12 = 1,665,465,251.78 : x - Step 2: Convert to fraction form
3,531,320,539.04/5,295,141,549.12 = 1,665,465,251.78/x - Step 3: Cross multiply
3,531,320,539.04x = 5,295,141,549.12 × 1,665,465,251.78 - Step 4: Simplify right side
3,531,320,539.04x = 8,818,874,253,315,879,936 - Step 5: Solve for x
x = 8,818,874,253,315,879,936/3,531,320,539.04 - Step 6: Final answer
x = 2,497,330,433.71
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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.