Finding the Fourth Proportional to 633,944,597.99, 874,844,574.39 and 351,687,046.10
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Solution
The fourth proportional to 633,944,597.99, 874,844,574.39 and 351,687,046.10 is: 485,328,694.56
Step by Step Solution
- Step 1: Write the proportion equation
633,944,597.99 : 874,844,574.39 = 351,687,046.10 : x - Step 2: Convert to fraction form
633,944,597.99/874,844,574.39 = 351,687,046.10/x - Step 3: Cross multiply
633,944,597.99x = 874,844,574.39 × 351,687,046.10 - Step 4: Simplify right side
633,944,597.99x = 307,671,504,166,017,920 - Step 5: Solve for x
x = 307,671,504,166,017,920/633,944,597.99 - Step 6: Final answer
x = 485,328,694.56
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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.