Finding the Fourth Proportional to 3,975,506,608.17, 5,486,444,578.10 and 2,191,356,043.18
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Solution
The fourth proportional to 3,975,506,608.17, 5,486,444,578.10 and 2,191,356,043.18 is: 3,024,206,640.00
Step by Step Solution
- Step 1: Write the proportion equation
3,975,506,608.17 : 5,486,444,578.10 = 2,191,356,043.18 : x - Step 2: Convert to fraction form
3,975,506,608.17/5,486,444,578.10 = 2,191,356,043.18/x - Step 3: Cross multiply
3,975,506,608.17x = 5,486,444,578.10 × 2,191,356,043.18 - Step 4: Simplify right side
3,975,506,608.17x = 12,022,753,481,791,580,160 - Step 5: Solve for x
x = 12,022,753,481,791,580,160/3,975,506,608.17 - Step 6: Final answer
x = 3,024,206,640.00
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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.