Finding the Fourth Proportional to 207,024,292.80, 310,536,439.20 and 202,993,214.40
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Solution
The fourth proportional to 207,024,292.80, 310,536,439.20 and 202,993,214.40 is: 304,489,821.60
Step by Step Solution
- Step 1: Write the proportion equation
207,024,292.80 : 310,536,439.20 = 202,993,214.40 : x - Step 2: Convert to fraction form
207,024,292.80/310,536,439.20 = 202,993,214.40/x - Step 3: Cross multiply
207,024,292.80x = 310,536,439.20 × 202,993,214.40 - Step 4: Simplify right side
207,024,292.80x = 63,036,789,981,538,160 - Step 5: Solve for x
x = 63,036,789,981,538,160/207,024,292.80 - Step 6: Final answer
x = 304,489,821.60
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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.