Finding the Fourth Proportional to 993,284,718.33, 1,489,877,549.11 and 371,454,233.99
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Solution
The fourth proportional to 993,284,718.33, 1,489,877,549.11 and 371,454,233.99 is: 557,162,829.08
Step by Step Solution
- Step 1: Write the proportion equation
993,284,718.33 : 1,489,877,549.11 = 371,454,233.99 : x - Step 2: Convert to fraction form
993,284,718.33/1,489,877,549.11 = 371,454,233.99/x - Step 3: Cross multiply
993,284,718.33x = 1,489,877,549.11 × 371,454,233.99 - Step 4: Simplify right side
993,284,718.33x = 553,421,323,745,985,472 - Step 5: Solve for x
x = 553,421,323,745,985,472/993,284,718.33 - Step 6: Final answer
x = 557,162,829.08
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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.