Finding the Fourth Proportional to 633,944,604.81, 874,844,583.84 and 351,687,052.94
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Solution
The fourth proportional to 633,944,604.81, 874,844,583.84 and 351,687,052.94 is: 485,328,704.02
Step by Step Solution
- Step 1: Write the proportion equation
633,944,604.81 : 874,844,583.84 = 351,687,052.94 : x - Step 2: Convert to fraction form
633,944,604.81/874,844,583.84 = 351,687,052.94/x - Step 3: Cross multiply
633,944,604.81x = 874,844,583.84 × 351,687,052.94 - Step 4: Simplify right side
633,944,604.81x = 307,671,513,473,397,440 - Step 5: Solve for x
x = 307,671,513,473,397,440/633,944,604.81 - Step 6: Final answer
x = 485,328,704.02
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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.