Finding the Fourth Proportional to 8,906,440,765.94, 12,290,551,535.73 and 4,946,397,525.62
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Solution
The fourth proportional to 8,906,440,765.94, 12,290,551,535.73 and 4,946,397,525.62 is: 6,825,841,579.43
Step by Step Solution
- Step 1: Write the proportion equation
8,906,440,765.94 : 12,290,551,535.73 = 4,946,397,525.62 : x - Step 2: Convert to fraction form
8,906,440,765.94/12,290,551,535.73 = 4,946,397,525.62/x - Step 3: Cross multiply
8,906,440,765.94x = 12,290,551,535.73 × 4,946,397,525.62 - Step 4: Simplify right side
8,906,440,765.94x = 60,793,953,704,839,962,624 - Step 5: Solve for x
x = 60,793,953,704,839,962,624/8,906,440,765.94 - Step 6: Final answer
x = 6,825,841,579.43
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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.