Finding the Fourth Proportional to 6,961,173,305.13, 9,606,420,197.42 and 3,789,381,300.48
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Solution
The fourth proportional to 6,961,173,305.13, 9,606,420,197.42 and 3,789,381,300.48 is: 5,229,346,758.80
Step by Step Solution
- Step 1: Write the proportion equation
6,961,173,305.13 : 9,606,420,197.42 = 3,789,381,300.48 : x - Step 2: Convert to fraction form
6,961,173,305.13/9,606,420,197.42 = 3,789,381,300.48/x - Step 3: Cross multiply
6,961,173,305.13x = 9,606,420,197.42 × 3,789,381,300.48 - Step 4: Simplify right side
6,961,173,305.13x = 36,402,389,060,656,738,304 - Step 5: Solve for x
x = 36,402,389,060,656,738,304/6,961,173,305.13 - Step 6: Final answer
x = 5,229,346,758.80
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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.