Finding the Fourth Proportional to 343,290,620.71, 473,737,615.99 and 186,657,735.39
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Solution
The fourth proportional to 343,290,620.71, 473,737,615.99 and 186,657,735.39 is: 257,585,804.08
Step by Step Solution
- Step 1: Write the proportion equation
343,290,620.71 : 473,737,615.99 = 186,657,735.39 : x - Step 2: Convert to fraction form
343,290,620.71/473,737,615.99 = 186,657,735.39/x - Step 3: Cross multiply
343,290,620.71x = 473,737,615.99 × 186,657,735.39 - Step 4: Simplify right side
343,290,620.71x = 88,426,790,568,560,432 - Step 5: Solve for x
x = 88,426,790,568,560,432/343,290,620.71 - Step 6: Final answer
x = 257,585,804.08
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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.