Finding the Fourth Proportional to 7,471,925,699.38, 11,215,643,577.25 and 4,330,278,471.53
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Solution
The fourth proportional to 7,471,925,699.38, 11,215,643,577.25 and 4,330,278,471.53 is: 6,499,912,054.93
Step by Step Solution
- Step 1: Write the proportion equation
7,471,925,699.38 : 11,215,643,577.25 = 4,330,278,471.53 : x - Step 2: Convert to fraction form
7,471,925,699.38/11,215,643,577.25 = 4,330,278,471.53/x - Step 3: Cross multiply
7,471,925,699.38x = 11,215,643,577.25 × 4,330,278,471.53 - Step 4: Simplify right side
7,471,925,699.38x = 48,566,859,926,919,389,184 - Step 5: Solve for x
x = 48,566,859,926,919,389,184/7,471,925,699.38 - Step 6: Final answer
x = 6,499,912,054.93
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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.