Finding the Fourth Proportional to 270,896,395.91, 373,830,668.12 and 159,394,458.68
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Solution
The fourth proportional to 270,896,395.91, 373,830,668.12 and 159,394,458.68 is: 219,960,611.82
Step by Step Solution
- Step 1: Write the proportion equation
270,896,395.91 : 373,830,668.12 = 159,394,458.68 : x - Step 2: Convert to fraction form
270,896,395.91/373,830,668.12 = 159,394,458.68/x - Step 3: Cross multiply
270,896,395.91x = 373,830,668.12 × 159,394,458.68 - Step 4: Simplify right side
270,896,395.91x = 59,586,536,983,107,744 - Step 5: Solve for x
x = 59,586,536,983,107,744/270,896,395.91 - Step 6: Final answer
x = 219,960,611.82
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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.