Finding the Fourth Proportional to 411,816,214.81, 568,388,862.98 and 244,645,344.99
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Solution
The fourth proportional to 411,816,214.81, 568,388,862.98 and 244,645,344.99 is: 337,659,578.40
Step by Step Solution
- Step 1: Write the proportion equation
411,816,214.81 : 568,388,862.98 = 244,645,344.99 : x - Step 2: Convert to fraction form
411,816,214.81/568,388,862.98 = 244,645,344.99/x - Step 3: Cross multiply
411,816,214.81x = 568,388,862.98 × 244,645,344.99 - Step 4: Simplify right side
411,816,214.81x = 139,053,689,470,231,280 - Step 5: Solve for x
x = 139,053,689,470,231,280/411,816,214.81 - Step 6: Final answer
x = 337,659,578.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.