Finding the Fourth Proportional to 5,417,770,063.12, 8,128,020,307.56 and 1,540,376,527.12
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Solution
The fourth proportional to 5,417,770,063.12, 8,128,020,307.56 and 1,540,376,527.12 is: 2,310,952,947.03
Step by Step Solution
- Step 1: Write the proportion equation
5,417,770,063.12 : 8,128,020,307.56 = 1,540,376,527.12 : x - Step 2: Convert to fraction form
5,417,770,063.12/8,128,020,307.56 = 1,540,376,527.12/x - Step 3: Cross multiply
5,417,770,063.12x = 8,128,020,307.56 × 1,540,376,527.12 - Step 4: Simplify right side
5,417,770,063.12x = 12,520,211,693,720,107,008 - Step 5: Solve for x
x = 12,520,211,693,720,107,008/5,417,770,063.12 - Step 6: Final answer
x = 2,310,952,947.03
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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.