Finding the Fourth Proportional to 4,979,860,458.53, 7,465,193,870.76 and 2,490,555,237.51
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Solution
The fourth proportional to 4,979,860,458.53, 7,465,193,870.76 and 2,490,555,237.51 is: 3,733,533,870.82
Step by Step Solution
- Step 1: Write the proportion equation
4,979,860,458.53 : 7,465,193,870.76 = 2,490,555,237.51 : x - Step 2: Convert to fraction form
4,979,860,458.53/7,465,193,870.76 = 2,490,555,237.51/x - Step 3: Cross multiply
4,979,860,458.53x = 7,465,193,870.76 × 2,490,555,237.51 - Step 4: Simplify right side
4,979,860,458.53x = 18,592,477,693,848,870,912 - Step 5: Solve for x
x = 18,592,477,693,848,870,912/4,979,860,458.53 - Step 6: Final answer
x = 3,733,533,870.82
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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.