Finding the Fourth Proportional to 454,172,147.16, 626,757,837.66 and 245,328,382.08
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Solution
The fourth proportional to 454,172,147.16, 626,757,837.66 and 245,328,382.08 is: 338,553,315.59
Step by Step Solution
- Step 1: Write the proportion equation
454,172,147.16 : 626,757,837.66 = 245,328,382.08 : x - Step 2: Convert to fraction form
454,172,147.16/626,757,837.66 = 245,328,382.08/x - Step 3: Cross multiply
454,172,147.16x = 626,757,837.66 × 245,328,382.08 - Step 4: Simplify right side
454,172,147.16x = 153,761,486,269,087,104 - Step 5: Solve for x
x = 153,761,486,269,087,104/454,172,147.16 - Step 6: Final answer
x = 338,553,315.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.