Finding the Fourth Proportional to 4,622,088,861.46, 6,378,494,992.05 and 2,507,544,805.78
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Solution
The fourth proportional to 4,622,088,861.46, 6,378,494,992.05 and 2,507,544,805.78 is: 3,460,418,539.20
Step by Step Solution
- Step 1: Write the proportion equation
4,622,088,861.46 : 6,378,494,992.05 = 2,507,544,805.78 : x - Step 2: Convert to fraction form
4,622,088,861.46/6,378,494,992.05 = 2,507,544,805.78/x - Step 3: Cross multiply
4,622,088,861.46x = 6,378,494,992.05 × 2,507,544,805.78 - Step 4: Simplify right side
4,622,088,861.46x = 15,994,361,986,008,721,408 - Step 5: Solve for x
x = 15,994,361,986,008,721,408/4,622,088,861.46 - Step 6: Final answer
x = 3,460,418,539.20
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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.