Finding the Fourth Proportional to 3,776,720,245.94, 5,211,890,142.72 and 2,060,106,812.30
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Solution
The fourth proportional to 3,776,720,245.94, 5,211,890,142.72 and 2,060,106,812.30 is: 2,842,956,239.48
Step by Step Solution
- Step 1: Write the proportion equation
3,776,720,245.94 : 5,211,890,142.72 = 2,060,106,812.30 : x - Step 2: Convert to fraction form
3,776,720,245.94/5,211,890,142.72 = 2,060,106,812.30/x - Step 3: Cross multiply
3,776,720,245.94x = 5,211,890,142.72 × 2,060,106,812.30 - Step 4: Simplify right side
3,776,720,245.94x = 10,737,050,387,976,691,712 - Step 5: Solve for x
x = 10,737,050,387,976,691,712/3,776,720,245.94 - Step 6: Final answer
x = 2,842,956,239.48
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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.