Finding the Fourth Proportional to 993,540,613.55, 1,371,095,114.04 and 547,519,979.97
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Solution
The fourth proportional to 993,540,613.55, 1,371,095,114.04 and 547,519,979.97 is: 755,582,569.19
Step by Step Solution
- Step 1: Write the proportion equation
993,540,613.55 : 1,371,095,114.04 = 547,519,979.97 : x - Step 2: Convert to fraction form
993,540,613.55/1,371,095,114.04 = 547,519,979.97/x - Step 3: Cross multiply
993,540,613.55x = 1,371,095,114.04 × 547,519,979.97 - Step 4: Simplify right side
993,540,613.55x = 750,701,969,376,145,664 - Step 5: Solve for x
x = 750,701,969,376,145,664/993,540,613.55 - Step 6: Final answer
x = 755,582,569.19
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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.