Finding the Fourth Proportional to 2,720,820,148.26, 4,081,877,892.09 and 880,572,825.42
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Solution
The fourth proportional to 2,720,820,148.26, 4,081,877,892.09 and 880,572,825.42 is: 1,321,068,851.52
Step by Step Solution
- Step 1: Write the proportion equation
2,720,820,148.26 : 4,081,877,892.09 = 880,572,825.42 : x - Step 2: Convert to fraction form
2,720,820,148.26/4,081,877,892.09 = 880,572,825.42/x - Step 3: Cross multiply
2,720,820,148.26x = 4,081,877,892.09 × 880,572,825.42 - Step 4: Simplify right side
2,720,820,148.26x = 3,594,390,748,457,125,376 - Step 5: Solve for x
x = 3,594,390,748,457,125,376/2,720,820,148.26 - Step 6: Final answer
x = 1,321,068,851.52
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1.5x scale
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.