Finding the Fourth Proportional to 3,299,891,382.20, 4,565,841,654.18 and 2,877,386,072.06
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Solution
The fourth proportional to 3,299,891,382.20, 4,565,841,654.18 and 2,877,386,072.06 is: 3,981,248,974.99
Step by Step Solution
- Step 1: Write the proportion equation
3,299,891,382.20 : 4,565,841,654.18 = 2,877,386,072.06 : x - Step 2: Convert to fraction form
3,299,891,382.20/4,565,841,654.18 = 2,877,386,072.06/x - Step 3: Cross multiply
3,299,891,382.20x = 4,565,841,654.18 × 2,877,386,072.06 - Step 4: Simplify right side
3,299,891,382.20x = 13,137,689,182,968,924,160 - Step 5: Solve for x
x = 13,137,689,182,968,924,160/3,299,891,382.20 - Step 6: Final answer
x = 3,981,248,974.99
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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.