Finding the Fourth Proportional to 308,645,144.12, 464,815,324.04 and 281,095,242.68
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Solution
The fourth proportional to 308,645,144.12, 464,815,324.04 and 281,095,242.68 is: 423,325,552.99
Step by Step Solution
- Step 1: Write the proportion equation
308,645,144.12 : 464,815,324.04 = 281,095,242.68 : x - Step 2: Convert to fraction form
308,645,144.12/464,815,324.04 = 281,095,242.68/x - Step 3: Cross multiply
308,645,144.12x = 464,815,324.04 × 281,095,242.68 - Step 4: Simplify right side
308,645,144.12x = 130,657,376,312,406,640 - Step 5: Solve for x
x = 130,657,376,312,406,640/308,645,144.12 - Step 6: Final answer
x = 423,325,552.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.