Finding the Fourth Proportional to 439,752,730.92, 659,628,717.36 and 112,228,217.68
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Solution
The fourth proportional to 439,752,730.92, 659,628,717.36 and 112,228,217.68 is: 168,342,229.79
Step by Step Solution
- Step 1: Write the proportion equation
439,752,730.92 : 659,628,717.36 = 112,228,217.68 : x - Step 2: Convert to fraction form
439,752,730.92/659,628,717.36 = 112,228,217.68/x - Step 3: Cross multiply
439,752,730.92x = 659,628,717.36 × 112,228,217.68 - Step 4: Simplify right side
439,752,730.92x = 74,028,955,279,857,280 - Step 5: Solve for x
x = 74,028,955,279,857,280/439,752,730.92 - Step 6: Final answer
x = 168,342,229.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.