Finding the Fourth Proportional to 382,245,287.68, 527,543,279.76 and 217,257,657.76
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Solution
The fourth proportional to 382,245,287.68, 527,543,279.76 and 217,257,657.76 is: 299,841,020.99
Step by Step Solution
- Step 1: Write the proportion equation
382,245,287.68 : 527,543,279.76 = 217,257,657.76 : x - Step 2: Convert to fraction form
382,245,287.68/527,543,279.76 = 217,257,657.76/x - Step 3: Cross multiply
382,245,287.68x = 527,543,279.76 × 217,257,657.76 - Step 4: Simplify right side
382,245,287.68x = 114,612,817,327,686,000 - Step 5: Solve for x
x = 114,612,817,327,686,000/382,245,287.68 - Step 6: Final answer
x = 299,841,020.99
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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.