Finding the Fourth Proportional to 3,545,862,163.20, 5,318,793,244.80 and 1,091,880,201.60
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Solution
The fourth proportional to 3,545,862,163.20, 5,318,793,244.80 and 1,091,880,201.60 is: 1,637,820,302.40
Step by Step Solution
- Step 1: Write the proportion equation
3,545,862,163.20 : 5,318,793,244.80 = 1,091,880,201.60 : x - Step 2: Convert to fraction form
3,545,862,163.20/5,318,793,244.80 = 1,091,880,201.60/x - Step 3: Cross multiply
3,545,862,163.20x = 5,318,793,244.80 × 1,091,880,201.60 - Step 4: Simplify right side
3,545,862,163.20x = 5,807,485,040,400,942,080 - Step 5: Solve for x
x = 5,807,485,040,400,942,080/3,545,862,163.20 - Step 6: Final answer
x = 1,637,820,302.40
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1.5x scale
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.