Finding the Fourth Proportional to 13,495,197,641.73, 18,614,405,397.99 and 8,678,651,986.03
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Solution
The fourth proportional to 13,495,197,641.73, 18,614,405,397.99 and 8,678,651,986.03 is: 11,970,772,912.32
Step by Step Solution
- Step 1: Write the proportion equation
13,495,197,641.73 : 18,614,405,397.99 = 8,678,651,986.03 : x - Step 2: Convert to fraction form
13,495,197,641.73/18,614,405,397.99 = 8,678,651,986.03/x - Step 3: Cross multiply
13,495,197,641.73x = 18,614,405,397.99 × 8,678,651,986.03 - Step 4: Simplify right side
13,495,197,641.73x = 161,547,946,376,033,501,184 - Step 5: Solve for x
x = 161,547,946,376,033,501,184/13,495,197,641.73 - Step 6: Final answer
x = 11,970,772,912.32
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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.