Finding the Fourth Proportional to 4,557,420,538.24, 6,289,503,925.26 and 2,550,238,149.56
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Solution
The fourth proportional to 4,557,420,538.24, 6,289,503,925.26 and 2,550,238,149.56 is: 3,519,476,141.69
Step by Step Solution
- Step 1: Write the proportion equation
4,557,420,538.24 : 6,289,503,925.26 = 2,550,238,149.56 : x - Step 2: Convert to fraction form
4,557,420,538.24/6,289,503,925.26 = 2,550,238,149.56/x - Step 3: Cross multiply
4,557,420,538.24x = 6,289,503,925.26 × 2,550,238,149.56 - Step 4: Simplify right side
4,557,420,538.24x = 16,039,732,852,005,419,008 - Step 5: Solve for x
x = 16,039,732,852,005,419,008/4,557,420,538.24 - Step 6: Final answer
x = 3,519,476,141.69
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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.