Finding the Fourth Proportional to 267,057,125.70, 400,585,688.55 and 221,707,493.70
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Solution
The fourth proportional to 267,057,125.70, 400,585,688.55 and 221,707,493.70 is: 332,561,240.55
Step by Step Solution
- Step 1: Write the proportion equation
267,057,125.70 : 400,585,688.55 = 221,707,493.70 : x - Step 2: Convert to fraction form
267,057,125.70/400,585,688.55 = 221,707,493.70/x - Step 3: Cross multiply
267,057,125.70x = 400,585,688.55 × 221,707,493.70 - Step 4: Simplify right side
267,057,125.70x = 88,812,849,020,509,280 - Step 5: Solve for x
x = 88,812,849,020,509,280/267,057,125.70 - Step 6: Final answer
x = 332,561,240.55
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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.