Finding the Fourth Proportional to 8,802,310,589.20, 13,203,465,883.80 and 7,931,597,654.80
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Solution
The fourth proportional to 8,802,310,589.20, 13,203,465,883.80 and 7,931,597,654.80 is: 11,897,396,482.20
Step by Step Solution
- Step 1: Write the proportion equation
8,802,310,589.20 : 13,203,465,883.80 = 7,931,597,654.80 : x - Step 2: Convert to fraction form
8,802,310,589.20/13,203,465,883.80 = 7,931,597,654.80/x - Step 3: Cross multiply
8,802,310,589.20x = 13,203,465,883.80 × 7,931,597,654.80 - Step 4: Simplify right side
8,802,310,589.20x = 104,724,579,039,179,882,496 - Step 5: Solve for x
x = 104,724,579,039,179,882,496/8,802,310,589.20 - Step 6: Final answer
x = 11,897,396,482.20
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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.