Finding the Fourth Proportional to 328,734,243.59, 493,888,021.61 and 210,790,083.62
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Solution
The fourth proportional to 328,734,243.59, 493,888,021.61 and 210,790,083.62 is: 316,689,543.00
Step by Step Solution
- Step 1: Write the proportion equation
328,734,243.59 : 493,888,021.61 = 210,790,083.62 : x - Step 2: Convert to fraction form
328,734,243.59/493,888,021.61 = 210,790,083.62/x - Step 3: Cross multiply
328,734,243.59x = 493,888,021.61 × 210,790,083.62 - Step 4: Simplify right side
328,734,243.59x = 104,106,697,371,382,288 - Step 5: Solve for x
x = 104,106,697,371,382,288/328,734,243.59 - Step 6: Final answer
x = 316,689,543.00
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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.