Finding the Fourth Proportional to 5,237,926,855.38, 7,227,260,021.97 and 3,009,828,576.42
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Solution
The fourth proportional to 5,237,926,855.38, 7,227,260,021.97 and 3,009,828,576.42 is: 4,152,943,396.11
Step by Step Solution
- Step 1: Write the proportion equation
5,237,926,855.38 : 7,227,260,021.97 = 3,009,828,576.42 : x - Step 2: Convert to fraction form
5,237,926,855.38/7,227,260,021.97 = 3,009,828,576.42/x - Step 3: Cross multiply
5,237,926,855.38x = 7,227,260,021.97 × 3,009,828,576.42 - Step 4: Simplify right side
5,237,926,855.38x = 21,752,813,743,343,144,960 - Step 5: Solve for x
x = 21,752,813,743,343,144,960/5,237,926,855.38 - Step 6: Final answer
x = 4,152,943,396.11
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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.