Finding the Fourth Proportional to 6,220,953,006.48, 9,331,438,490.40 and 2,540,458,360.98
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Solution
The fourth proportional to 6,220,953,006.48, 9,331,438,490.40 and 2,540,458,360.98 is: 3,810,691,208.92
Step by Step Solution
- Step 1: Write the proportion equation
6,220,953,006.48 : 9,331,438,490.40 = 2,540,458,360.98 : x - Step 2: Convert to fraction form
6,220,953,006.48/9,331,438,490.40 = 2,540,458,360.98/x - Step 3: Cross multiply
6,220,953,006.48x = 9,331,438,490.40 × 2,540,458,360.98 - Step 4: Simplify right side
6,220,953,006.48x = 23,706,130,932,907,270,144 - Step 5: Solve for x
x = 23,706,130,932,907,270,144/6,220,953,006.48 - Step 6: Final answer
x = 3,810,691,208.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.