Finding the Fourth Proportional to 7,481,988,265.18, 10,325,171,160.52 and 4,048,686,597.90
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Solution
The fourth proportional to 7,481,988,265.18, 10,325,171,160.52 and 4,048,686,597.90 is: 5,587,202,307.32
Step by Step Solution
- Step 1: Write the proportion equation
7,481,988,265.18 : 10,325,171,160.52 = 4,048,686,597.90 : x - Step 2: Convert to fraction form
7,481,988,265.18/10,325,171,160.52 = 4,048,686,597.90/x - Step 3: Cross multiply
7,481,988,265.18x = 10,325,171,160.52 × 4,048,686,597.90 - Step 4: Simplify right side
7,481,988,265.18x = 41,803,382,098,557,140,992 - Step 5: Solve for x
x = 41,803,382,098,557,140,992/7,481,988,265.18 - Step 6: Final answer
x = 5,587,202,307.32
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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.