Finding the Fourth Proportional to 273,102,981.70, 409,654,472.55 and 273,102,981.70
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Solution
The fourth proportional to 273,102,981.70, 409,654,472.55 and 273,102,981.70 is: 409,654,472.55
Step by Step Solution
- Step 1: Write the proportion equation
273,102,981.70 : 409,654,472.55 = 273,102,981.70 : x - Step 2: Convert to fraction form
273,102,981.70/409,654,472.55 = 273,102,981.70/x - Step 3: Cross multiply
273,102,981.70x = 409,654,472.55 × 273,102,981.70 - Step 4: Simplify right side
273,102,981.70x = 111,877,857,920,145,808 - Step 5: Solve for x
x = 111,877,857,920,145,808/273,102,981.70 - Step 6: Final answer
x = 409,654,472.55
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1.5x scale
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.