Finding the Fourth Proportional to 378,358,657.94, 522,134,717.01 and 204,518,401.94
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Solution
The fourth proportional to 378,358,657.94, 522,134,717.01 and 204,518,401.94 is: 282,235,269.84
Step by Step Solution
- Step 1: Write the proportion equation
378,358,657.94 : 522,134,717.01 = 204,518,401.94 : x - Step 2: Convert to fraction form
378,358,657.94/522,134,717.01 = 204,518,401.94/x - Step 3: Cross multiply
378,358,657.94x = 522,134,717.01 × 204,518,401.94 - Step 4: Simplify right side
378,358,657.94x = 106,786,157,920,279,328 - Step 5: Solve for x
x = 106,786,157,920,279,328/378,358,657.94 - Step 6: Final answer
x = 282,235,269.84
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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.