Finding the Fourth Proportional to 378,358,651.07, 522,134,707.52 and 204,518,395.07
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Solution
The fourth proportional to 378,358,651.07, 522,134,707.52 and 204,518,395.07 is: 282,235,260.35
Step by Step Solution
- Step 1: Write the proportion equation
378,358,651.07 : 522,134,707.52 = 204,518,395.07 : x - Step 2: Convert to fraction form
378,358,651.07/522,134,707.52 = 204,518,395.07/x - Step 3: Cross multiply
378,358,651.07x = 522,134,707.52 × 204,518,395.07 - Step 4: Simplify right side
378,358,651.07x = 106,786,152,390,234,880 - Step 5: Solve for x
x = 106,786,152,390,234,880/378,358,651.07 - Step 6: Final answer
x = 282,235,260.35
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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.