Finding the Fourth Proportional to 7,767,488,447.20, 11,652,366,411.60 and 2,526,204,728.80
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Solution
The fourth proportional to 7,767,488,447.20, 11,652,366,411.60 and 2,526,204,728.80 is: 3,789,675,817.45
Step by Step Solution
- Step 1: Write the proportion equation
7,767,488,447.20 : 11,652,366,411.60 = 2,526,204,728.80 : x - Step 2: Convert to fraction form
7,767,488,447.20/11,652,366,411.60 = 2,526,204,728.80/x - Step 3: Cross multiply
7,767,488,447.20x = 11,652,366,411.60 × 2,526,204,728.80 - Step 4: Simplify right side
7,767,488,447.20x = 29,436,263,130,694,209,536 - Step 5: Solve for x
x = 29,436,263,130,694,209,536/7,767,488,447.20 - Step 6: Final answer
x = 3,789,675,817.45
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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.