Finding the Fourth Proportional to 245,020,880.80, 343,284,324.80 and 245,020,880.80
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Solution
The fourth proportional to 245,020,880.80, 343,284,324.80 and 245,020,880.80 is: 343,284,324.80
Step by Step Solution
- Step 1: Write the proportion equation
245,020,880.80 : 343,284,324.80 = 245,020,880.80 : x - Step 2: Convert to fraction form
245,020,880.80/343,284,324.80 = 245,020,880.80/x - Step 3: Cross multiply
245,020,880.80x = 343,284,324.80 × 245,020,880.80 - Step 4: Simplify right side
245,020,880.80x = 84,111,827,627,329,296 - Step 5: Solve for x
x = 84,111,827,627,329,296/245,020,880.80 - Step 6: Final answer
x = 343,284,324.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.