Finding the Fourth Proportional to 626,263,562.96, 864,193,316.29 and 361,962,674.73
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Solution
The fourth proportional to 626,263,562.96, 864,193,316.29 and 361,962,674.73 is: 499,479,361.00
Step by Step Solution
- Step 1: Write the proportion equation
626,263,562.96 : 864,193,316.29 = 361,962,674.73 : x - Step 2: Convert to fraction form
626,263,562.96/864,193,316.29 = 361,962,674.73/x - Step 3: Cross multiply
626,263,562.96x = 864,193,316.29 × 361,962,674.73 - Step 4: Simplify right side
626,263,562.96x = 312,805,724,247,212,416 - Step 5: Solve for x
x = 312,805,724,247,212,416/626,263,562.96 - Step 6: Final answer
x = 499,479,361.00
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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.