Finding the Fourth Proportional to 2,149,441,998.58, 3,225,391,623.16 and 1,166,948,421.40
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Solution
The fourth proportional to 2,149,441,998.58, 3,225,391,623.16 and 1,166,948,421.40 is: 1,751,089,662.12
Step by Step Solution
- Step 1: Write the proportion equation
2,149,441,998.58 : 3,225,391,623.16 = 1,166,948,421.40 : x - Step 2: Convert to fraction form
2,149,441,998.58/3,225,391,623.16 = 1,166,948,421.40/x - Step 3: Cross multiply
2,149,441,998.58x = 3,225,391,623.16 × 1,166,948,421.40 - Step 4: Simplify right side
2,149,441,998.58x = 3,763,865,663,043,345,920 - Step 5: Solve for x
x = 3,763,865,663,043,345,920/2,149,441,998.58 - Step 6: Final answer
x = 1,751,089,662.12
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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.