Finding the Fourth Proportional to 622,172,960.92, 932,607,542.41 and 289,906,033.99
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Solution
The fourth proportional to 622,172,960.92, 932,607,542.41 and 289,906,033.99 is: 434,555,293.90
Step by Step Solution
- Step 1: Write the proportion equation
622,172,960.92 : 932,607,542.41 = 289,906,033.99 : x - Step 2: Convert to fraction form
622,172,960.92/932,607,542.41 = 289,906,033.99/x - Step 3: Cross multiply
622,172,960.92x = 932,607,542.41 × 289,906,033.99 - Step 4: Simplify right side
622,172,960.92x = 270,368,553,889,243,840 - Step 5: Solve for x
x = 270,368,553,889,243,840/622,172,960.92 - Step 6: Final answer
x = 434,555,293.90
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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.