Finding the Fourth Proportional to 397,590,601,260.47, 596,469,763,282.32 and 128,958,718,658.99
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Solution
The fourth proportional to 397,590,601,260.47, 596,469,763,282.32 and 128,958,718,658.99 is: 193,465,278,474.55
Step by Step Solution
- Step 1: Write the proportion equation
397,590,601,260.47 : 596,469,763,282.32 = 128,958,718,658.99 : x - Step 2: Convert to fraction form
397,590,601,260.47/596,469,763,282.32 = 128,958,718,658.99/x - Step 3: Cross multiply
397,590,601,260.47x = 596,469,763,282.32 × 128,958,718,658.99 - Step 4: Simplify right side
397,590,601,260.47x = 76,919,976,391,719,065,223,168 - Step 5: Solve for x
x = 76,919,976,391,719,065,223,168/397,590,601,260.47 - Step 6: Final answer
x = 193,465,278,474.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.