Finding the Fourth Proportional to 1,167,067,941.01, 1,610,548,943.64 and 631,220,204.36
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Solution
The fourth proportional to 1,167,067,941.01, 1,610,548,943.64 and 631,220,204.36 is: 871,081,277.80
Step by Step Solution
- Step 1: Write the proportion equation
1,167,067,941.01 : 1,610,548,943.64 = 631,220,204.36 : x - Step 2: Convert to fraction form
1,167,067,941.01/1,610,548,943.64 = 631,220,204.36/x - Step 3: Cross multiply
1,167,067,941.01x = 1,610,548,943.64 × 631,220,204.36 - Step 4: Simplify right side
1,167,067,941.01x = 1,016,611,033,328,170,240 - Step 5: Solve for x
x = 1,016,611,033,328,170,240/1,167,067,941.01 - Step 6: Final answer
x = 871,081,277.80
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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.