Finding the Fourth Proportional to 11,218,155,552, 15,481,510,490.88 and 6,205,816,558.08
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Solution
The fourth proportional to 11,218,155,552, 15,481,510,490.88 and 6,205,816,558.08 is: 8,564,279,012.09
Step by Step Solution
- Step 1: Write the proportion equation
11,218,155,552 : 15,481,510,490.88 = 6,205,816,558.08 : x - Step 2: Convert to fraction form
11,218,155,552/15,481,510,490.88 = 6,205,816,558.08/x - Step 3: Cross multiply
11,218,155,552x = 15,481,510,490.88 × 6,205,816,558.08 - Step 4: Simplify right side
11,218,155,552x = 96,075,414,148,392,321,024 - Step 5: Solve for x
x = 96,075,414,148,392,321,024/11,218,155,552 - Step 6: Final answer
x = 8,564,279,012.09
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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.