Finding the Fourth Proportional to 8,187,055,400.88, 11,298,136,163.64 and 4,427,865,877.68
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Solution
The fourth proportional to 8,187,055,400.88, 11,298,136,163.64 and 4,427,865,877.68 is: 6,110,454,754.59
Step by Step Solution
- Step 1: Write the proportion equation
8,187,055,400.88 : 11,298,136,163.64 = 4,427,865,877.68 : x - Step 2: Convert to fraction form
8,187,055,400.88/11,298,136,163.64 = 4,427,865,877.68/x - Step 3: Cross multiply
8,187,055,400.88x = 11,298,136,163.64 × 4,427,865,877.68 - Step 4: Simplify right side
8,187,055,400.88x = 50,026,631,600,363,978,752 - Step 5: Solve for x
x = 50,026,631,600,363,978,752/8,187,055,400.88 - Step 6: Final answer
x = 6,110,454,754.59
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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.