Finding the Fourth Proportional to 484,498,145,234.20, 726,747,217,851.30 and 325,810,712,939.80
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Solution
The fourth proportional to 484,498,145,234.20, 726,747,217,851.30 and 325,810,712,939.80 is: 488,716,069,409.70
Step by Step Solution
- Step 1: Write the proportion equation
484,498,145,234.20 : 726,747,217,851.30 = 325,810,712,939.80 : x - Step 2: Convert to fraction form
484,498,145,234.20/726,747,217,851.30 = 325,810,712,939.80/x - Step 3: Cross multiply
484,498,145,234.20x = 726,747,217,851.30 × 325,810,712,939.80 - Step 4: Simplify right side
484,498,145,234.20x = 236,782,029,175,148,205,047,808 - Step 5: Solve for x
x = 236,782,029,175,148,205,047,808/484,498,145,234.20 - Step 6: Final answer
x = 488,716,069,409.70
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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.