Finding the Fourth Proportional to 9,935,698,936.94, 13,711,307,161.05 and 5,419,676,406.26
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Solution
The fourth proportional to 9,935,698,936.94, 13,711,307,161.05 and 5,419,676,406.26 is: 7,479,176,693.20
Step by Step Solution
- Step 1: Write the proportion equation
9,935,698,936.94 : 13,711,307,161.05 = 5,419,676,406.26 : x - Step 2: Convert to fraction form
9,935,698,936.94/13,711,307,161.05 = 5,419,676,406.26/x - Step 3: Cross multiply
9,935,698,936.94x = 13,711,307,161.05 × 5,419,676,406.26 - Step 4: Simplify right side
9,935,698,936.94x = 74,310,847,919,760,736,256 - Step 5: Solve for x
x = 74,310,847,919,760,736,256/9,935,698,936.94 - Step 6: Final answer
x = 7,479,176,693.20
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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.