Finding the Fourth Proportional to 283,539,985.00, 391,025,145.22 and 194,361,527.99
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Solution
The fourth proportional to 283,539,985.00, 391,025,145.22 and 194,361,527.99 is: 268,040,659.97
Step by Step Solution
- Step 1: Write the proportion equation
283,539,985.00 : 391,025,145.22 = 194,361,527.99 : x - Step 2: Convert to fraction form
283,539,985.00/391,025,145.22 = 194,361,527.99/x - Step 3: Cross multiply
283,539,985.00x = 391,025,145.22 × 194,361,527.99 - Step 4: Simplify right side
283,539,985.00x = 76,000,244,707,962,496 - Step 5: Solve for x
x = 76,000,244,707,962,496/283,539,985.00 - Step 6: Final answer
x = 268,040,659.97
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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.