Finding the Fourth Proportional to 896,017,581.16, 1,236,777,553.02 and 519,769,250.44
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Solution
The fourth proportional to 896,017,581.16, 1,236,777,553.02 and 519,769,250.44 is: 717,440,098.51
Step by Step Solution
- Step 1: Write the proportion equation
896,017,581.16 : 1,236,777,553.02 = 519,769,250.44 : x - Step 2: Convert to fraction form
896,017,581.16/1,236,777,553.02 = 519,769,250.44/x - Step 3: Cross multiply
896,017,581.16x = 1,236,777,553.02 × 519,769,250.44 - Step 4: Simplify right side
896,017,581.16x = 642,838,941,694,222,720 - Step 5: Solve for x
x = 642,838,941,694,222,720/896,017,581.16 - Step 6: Final answer
x = 717,440,098.51
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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.