Finding the Fourth Proportional to 7,917,825,528.12, 10,926,408,645.90 and 4,397,563,143.48
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Solution
The fourth proportional to 7,917,825,528.12, 10,926,408,645.90 and 4,397,563,143.48 is: 6,068,531,288.19
Step by Step Solution
- Step 1: Write the proportion equation
7,917,825,528.12 : 10,926,408,645.90 = 4,397,563,143.48 : x - Step 2: Convert to fraction form
7,917,825,528.12/10,926,408,645.90 = 4,397,563,143.48/x - Step 3: Cross multiply
7,917,825,528.12x = 10,926,408,645.90 × 4,397,563,143.48 - Step 4: Simplify right side
7,917,825,528.12x = 48,049,571,951,811,051,520 - Step 5: Solve for x
x = 48,049,571,951,811,051,520/7,917,825,528.12 - Step 6: Final answer
x = 6,068,531,288.19
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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.