Finding the Fourth Proportional to 442,754,694.20, 663,236,246.10 and 306,593,823.80
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Solution
The fourth proportional to 442,754,694.20, 663,236,246.10 and 306,593,823.80 is: 459,270,425.45
Step by Step Solution
- Step 1: Write the proportion equation
442,754,694.20 : 663,236,246.10 = 306,593,823.80 : x - Step 2: Convert to fraction form
442,754,694.20/663,236,246.10 = 306,593,823.80/x - Step 3: Cross multiply
442,754,694.20x = 663,236,246.10 × 306,593,823.80 - Step 4: Simplify right side
442,754,694.20x = 203,344,136,774,556,864 - Step 5: Solve for x
x = 203,344,136,774,556,864/442,754,694.20 - Step 6: Final answer
x = 459,270,425.45
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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.