Finding the Fourth Proportional to 8,319,251,842.56, 12,478,877,006.24 and 3,661,125,805.60
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Solution
The fourth proportional to 8,319,251,842.56, 12,478,877,006.24 and 3,661,125,805.60 is: 5,491,688,375.00
Step by Step Solution
- Step 1: Write the proportion equation
8,319,251,842.56 : 12,478,877,006.24 = 3,661,125,805.60 : x - Step 2: Convert to fraction form
8,319,251,842.56/12,478,877,006.24 = 3,661,125,805.60/x - Step 3: Cross multiply
8,319,251,842.56x = 12,478,877,006.24 × 3,661,125,805.60 - Step 4: Simplify right side
8,319,251,842.56x = 45,686,738,632,453,734,400 - Step 5: Solve for x
x = 45,686,738,632,453,734,400/8,319,251,842.56 - Step 6: Final answer
x = 5,491,688,375.00
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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.