Finding the Fourth Proportional to 70,268,727,676.80, 96,970,844,193.99 and 40,195,212,218.18
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Solution
The fourth proportional to 70,268,727,676.80, 96,970,844,193.99 and 40,195,212,218.18 is: 55,469,392,861.08
Step by Step Solution
- Step 1: Write the proportion equation
70,268,727,676.80 : 96,970,844,193.99 = 40,195,212,218.18 : x - Step 2: Convert to fraction form
70,268,727,676.80/96,970,844,193.99 = 40,195,212,218.18/x - Step 3: Cross multiply
70,268,727,676.80x = 96,970,844,193.99 × 40,195,212,218.18 - Step 4: Simplify right side
70,268,727,676.80x = 3,897,763,661,353,011,642,368 - Step 5: Solve for x
x = 3,897,763,661,353,011,642,368/70,268,727,676.80 - Step 6: Final answer
x = 55,469,392,861.08
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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.