Finding the Fourth Proportional to 2,178,626,397.23, 3,267,939,486.49 and 2,072,771,872.04
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Solution
The fourth proportional to 2,178,626,397.23, 3,267,939,486.49 and 2,072,771,872.04 is: 3,109,157,704.02
Step by Step Solution
- Step 1: Write the proportion equation
2,178,626,397.23 : 3,267,939,486.49 = 2,072,771,872.04 : x - Step 2: Convert to fraction form
2,178,626,397.23/3,267,939,486.49 = 2,072,771,872.04/x - Step 3: Cross multiply
2,178,626,397.23x = 3,267,939,486.49 × 2,072,771,872.04 - Step 4: Simplify right side
2,178,626,397.23x = 6,773,693,047,128,301,568 - Step 5: Solve for x
x = 6,773,693,047,128,301,568/2,178,626,397.23 - Step 6: Final answer
x = 3,109,157,704.02
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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.