Finding the Fourth Proportional to 203,245,811.80, 304,868,717.70 and 199,706,867.80
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Solution
The fourth proportional to 203,245,811.80, 304,868,717.70 and 199,706,867.80 is: 299,560,301.70
Step by Step Solution
- Step 1: Write the proportion equation
203,245,811.80 : 304,868,717.70 = 199,706,867.80 : x - Step 2: Convert to fraction form
203,245,811.80/304,868,717.70 = 199,706,867.80/x - Step 3: Cross multiply
203,245,811.80x = 304,868,717.70 × 199,706,867.80 - Step 4: Simplify right side
203,245,811.80x = 60,884,376,702,069,424 - Step 5: Solve for x
x = 60,884,376,702,069,424/203,245,811.80 - Step 6: Final answer
x = 299,560,301.70
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1.5x scale
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.