Finding the Fourth Proportional to 4,581,514,654.20, 6,872,271,981.30 and 1,821,143,670.08
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Solution
The fourth proportional to 4,581,514,654.20, 6,872,271,981.30 and 1,821,143,670.08 is: 2,731,715,505.11
Step by Step Solution
- Step 1: Write the proportion equation
4,581,514,654.20 : 6,872,271,981.30 = 1,821,143,670.08 : x - Step 2: Convert to fraction form
4,581,514,654.20/6,872,271,981.30 = 1,821,143,670.08/x - Step 3: Cross multiply
4,581,514,654.20x = 6,872,271,981.30 × 1,821,143,670.08 - Step 4: Simplify right side
4,581,514,654.20x = 12,515,394,617,778,274,304 - Step 5: Solve for x
x = 12,515,394,617,778,274,304/4,581,514,654.20 - Step 6: Final answer
x = 2,731,715,505.11
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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.