Finding the Fourth Proportional to 393,492,556.44, 543,067,604.46 and 228,480,121.08
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Solution
The fourth proportional to 393,492,556.44, 543,067,604.46 and 228,480,121.08 is: 315,330,366.46
Step by Step Solution
- Step 1: Write the proportion equation
393,492,556.44 : 543,067,604.46 = 228,480,121.08 : x - Step 2: Convert to fraction form
393,492,556.44/543,067,604.46 = 228,480,121.08/x - Step 3: Cross multiply
393,492,556.44x = 543,067,604.46 × 228,480,121.08 - Step 4: Simplify right side
393,492,556.44x = 124,080,152,021,646,368 - Step 5: Solve for x
x = 124,080,152,021,646,368/393,492,556.44 - Step 6: Final answer
x = 315,330,366.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.