Finding the Fourth Proportional to 655,099,455.80, 982,649,183.70 and 310,725,687.80
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Solution
The fourth proportional to 655,099,455.80, 982,649,183.70 and 310,725,687.80 is: 466,088,531.70
Step by Step Solution
- Step 1: Write the proportion equation
655,099,455.80 : 982,649,183.70 = 310,725,687.80 : x - Step 2: Convert to fraction form
655,099,455.80/982,649,183.70 = 310,725,687.80/x - Step 3: Cross multiply
655,099,455.80x = 982,649,183.70 × 310,725,687.80 - Step 4: Simplify right side
655,099,455.80x = 305,334,343,471,291,072 - Step 5: Solve for x
x = 305,334,343,471,291,072/655,099,455.80 - Step 6: Final answer
x = 466,088,531.70
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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.