Finding the Fourth Proportional to 2,755,152,626.28, 4,132,723,623.79 and 684,876,381.09
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Solution
The fourth proportional to 2,755,152,626.28, 4,132,723,623.79 and 684,876,381.09 is: 1,027,313,250.27
Step by Step Solution
- Step 1: Write the proportion equation
2,755,152,626.28 : 4,132,723,623.79 = 684,876,381.09 : x - Step 2: Convert to fraction form
2,755,152,626.28/4,132,723,623.79 = 684,876,381.09/x - Step 3: Cross multiply
2,755,152,626.28x = 4,132,723,623.79 × 684,876,381.09 - Step 4: Simplify right side
2,755,152,626.28x = 2,830,404,799,506,445,824 - Step 5: Solve for x
x = 2,830,404,799,506,445,824/2,755,152,626.28 - Step 6: Final answer
x = 1,027,313,250.27
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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.