Finding the Fourth Proportional to 325,057,248.99, 448,556,920.16 and 178,388,980.83
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Solution
The fourth proportional to 325,057,248.99, 448,556,920.16 and 178,388,980.83 is: 246,164,674.31
Step by Step Solution
- Step 1: Write the proportion equation
325,057,248.99 : 448,556,920.16 = 178,388,980.83 : x - Step 2: Convert to fraction form
325,057,248.99/448,556,920.16 = 178,388,980.83/x - Step 3: Cross multiply
325,057,248.99x = 448,556,920.16 × 178,388,980.83 - Step 4: Simplify right side
325,057,248.99x = 80,017,611,830,694,144 - Step 5: Solve for x
x = 80,017,611,830,694,144/325,057,248.99 - Step 6: Final answer
x = 246,164,674.31
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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.