Finding the Fourth Proportional to 8,324,356,510.62, 12,481,548,279.40 and 2,649,493,790.13
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Solution
The fourth proportional to 8,324,356,510.62, 12,481,548,279.40 and 2,649,493,790.13 is: 3,972,653,575.72
Step by Step Solution
- Step 1: Write the proportion equation
8,324,356,510.62 : 12,481,548,279.40 = 2,649,493,790.13 : x - Step 2: Convert to fraction form
8,324,356,510.62/12,481,548,279.40 = 2,649,493,790.13/x - Step 3: Cross multiply
8,324,356,510.62x = 12,481,548,279.40 × 2,649,493,790.13 - Step 4: Simplify right side
8,324,356,510.62x = 33,069,784,657,502,744,576 - Step 5: Solve for x
x = 33,069,784,657,502,744,576/8,324,356,510.62 - Step 6: Final answer
x = 3,972,653,575.72
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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.