Finding the Fourth Proportional to 5,110,865,861.94, 7,053,063,417.90 and 2,883,191,161.14
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Solution
The fourth proportional to 5,110,865,861.94, 7,053,063,417.90 and 2,883,191,161.14 is: 3,978,842,461.29
Step by Step Solution
- Step 1: Write the proportion equation
5,110,865,861.94 : 7,053,063,417.90 = 2,883,191,161.14 : x - Step 2: Convert to fraction form
5,110,865,861.94/7,053,063,417.90 = 2,883,191,161.14/x - Step 3: Cross multiply
5,110,865,861.94x = 7,053,063,417.90 × 2,883,191,161.14 - Step 4: Simplify right side
5,110,865,861.94x = 20,335,330,105,449,156,608 - Step 5: Solve for x
x = 20,335,330,105,449,156,608/5,110,865,861.94 - Step 6: Final answer
x = 3,978,842,461.29
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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.