Finding the Fourth Proportional to 4,734,737,717.60, 7,107,929,245.20 and 2,987,937,077.60
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Solution
The fourth proportional to 4,734,737,717.60, 7,107,929,245.20 and 2,987,937,077.60 is: 4,485,580,110.96
Step by Step Solution
- Step 1: Write the proportion equation
4,734,737,717.60 : 7,107,929,245.20 = 2,987,937,077.60 : x - Step 2: Convert to fraction form
4,734,737,717.60/7,107,929,245.20 = 2,987,937,077.60/x - Step 3: Cross multiply
4,734,737,717.60x = 7,107,929,245.20 × 2,987,937,077.60 - Step 4: Simplify right side
4,734,737,717.60x = 21,238,045,336,690,458,624 - Step 5: Solve for x
x = 21,238,045,336,690,458,624/4,734,737,717.60 - Step 6: Final answer
x = 4,485,580,110.96
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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.