Finding the Fourth Proportional to 2,989,361,463.20, 4,484,042,194.80 and 1,744,514,064.80
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Solution
The fourth proportional to 2,989,361,463.20, 4,484,042,194.80 and 1,744,514,064.80 is: 2,616,771,097.20
Step by Step Solution
- Step 1: Write the proportion equation
2,989,361,463.20 : 4,484,042,194.80 = 1,744,514,064.80 : x - Step 2: Convert to fraction form
2,989,361,463.20/4,484,042,194.80 = 1,744,514,064.80/x - Step 3: Cross multiply
2,989,361,463.20x = 4,484,042,194.80 × 1,744,514,064.80 - Step 4: Simplify right side
2,989,361,463.20x = 7,822,474,675,985,261,568 - Step 5: Solve for x
x = 7,822,474,675,985,261,568/2,989,361,463.20 - Step 6: Final answer
x = 2,616,771,097.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.