Finding the Fourth Proportional to 1,133,786,720.70, 1,700,680,105.05 and 272,143,712.70
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Solution
The fourth proportional to 1,133,786,720.70, 1,700,680,105.05 and 272,143,712.70 is: 408,215,574.81
Step by Step Solution
- Step 1: Write the proportion equation
1,133,786,720.70 : 1,700,680,105.05 = 272,143,712.70 : x - Step 2: Convert to fraction form
1,133,786,720.70/1,700,680,105.05 = 272,143,712.70/x - Step 3: Cross multiply
1,133,786,720.70x = 1,700,680,105.05 × 272,143,712.70 - Step 4: Simplify right side
1,133,786,720.70x = 462,829,397,903,332,992 - Step 5: Solve for x
x = 462,829,397,903,332,992/1,133,786,720.70 - Step 6: Final answer
x = 408,215,574.81
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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.