Finding the Fourth Proportional to 4,005,703,539.53, 5,527,139,968.43 and 2,311,540,129.48
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Solution
The fourth proportional to 4,005,703,539.53, 5,527,139,968.43 and 2,311,540,129.48 is: 3,189,503,594.60
Step by Step Solution
- Step 1: Write the proportion equation
4,005,703,539.53 : 5,527,139,968.43 = 2,311,540,129.48 : x - Step 2: Convert to fraction form
4,005,703,539.53/5,527,139,968.43 = 2,311,540,129.48/x - Step 3: Cross multiply
4,005,703,539.53x = 5,527,139,968.43 × 2,311,540,129.48 - Step 4: Simplify right side
4,005,703,539.53x = 12,776,205,838,239,571,968 - Step 5: Solve for x
x = 12,776,205,838,239,571,968/4,005,703,539.53 - Step 6: Final answer
x = 3,189,503,594.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.