Finding the Fourth Proportional to 3,932,121,267.20, 5,898,141,503.40 and 2,272,972,845.20
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Solution
The fourth proportional to 3,932,121,267.20, 5,898,141,503.40 and 2,272,972,845.20 is: 3,409,435,915.98
Step by Step Solution
- Step 1: Write the proportion equation
3,932,121,267.20 : 5,898,141,503.40 = 2,272,972,845.20 : x - Step 2: Convert to fraction form
3,932,121,267.20/5,898,141,503.40 = 2,272,972,845.20/x - Step 3: Cross multiply
3,932,121,267.20x = 5,898,141,503.40 × 2,272,972,845.20 - Step 4: Simplify right side
3,932,121,267.20x = 13,406,315,474,375,301,120 - Step 5: Solve for x
x = 13,406,315,474,375,301,120/3,932,121,267.20 - Step 6: Final answer
x = 3,409,435,915.98
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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.