Finding the Fourth Proportional to 355,332,605.70, 532,998,908.55 and 355,332,605.70
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Solution
The fourth proportional to 355,332,605.70, 532,998,908.55 and 355,332,605.70 is: 532,998,908.55
Step by Step Solution
- Step 1: Write the proportion equation
355,332,605.70 : 532,998,908.55 = 355,332,605.70 : x - Step 2: Convert to fraction form
355,332,605.70/532,998,908.55 = 355,332,605.70/x - Step 3: Cross multiply
355,332,605.70x = 532,998,908.55 × 355,332,605.70 - Step 4: Simplify right side
355,332,605.70x = 189,391,891,010,327,520 - Step 5: Solve for x
x = 189,391,891,010,327,520/355,332,605.70 - Step 6: Final answer
x = 532,998,908.55
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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.