Finding the Fourth Proportional to 7,193,543,191.23, 9,926,585,654.13 and 4,182,582,279.36
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Solution
The fourth proportional to 7,193,543,191.23, 9,926,585,654.13 and 4,182,582,279.36 is: 5,771,670,531.17
Step by Step Solution
- Step 1: Write the proportion equation
7,193,543,191.23 : 9,926,585,654.13 = 4,182,582,279.36 : x - Step 2: Convert to fraction form
7,193,543,191.23/9,926,585,654.13 = 4,182,582,279.36/x - Step 3: Cross multiply
7,193,543,191.23x = 9,926,585,654.13 × 4,182,582,279.36 - Step 4: Simplify right side
7,193,543,191.23x = 41,518,761,251,513,327,616 - Step 5: Solve for x
x = 41,518,761,251,513,327,616/7,193,543,191.23 - Step 6: Final answer
x = 5,771,670,531.17
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1.5x scale
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.