Finding the Fourth Proportional to 2,558,311,213.80, 3,837,466,820.70 and 2,374,645,204.20
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Solution
The fourth proportional to 2,558,311,213.80, 3,837,466,820.70 and 2,374,645,204.20 is: 3,561,967,806.30
Step by Step Solution
- Step 1: Write the proportion equation
2,558,311,213.80 : 3,837,466,820.70 = 2,374,645,204.20 : x - Step 2: Convert to fraction form
2,558,311,213.80/3,837,466,820.70 = 2,374,645,204.20/x - Step 3: Cross multiply
2,558,311,213.80x = 3,837,466,820.70 × 2,374,645,204.20 - Step 4: Simplify right side
2,558,311,213.80x = 9,112,622,182,051,874,816 - Step 5: Solve for x
x = 9,112,622,182,051,874,816/2,558,311,213.80 - Step 6: Final answer
x = 3,561,967,806.30
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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.