Finding the Fourth Proportional to 361,154,351.93, 498,423,743.63 and 204,549,318.05
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Solution
The fourth proportional to 361,154,351.93, 498,423,743.63 and 204,549,318.05 is: 282,295,468.17
Step by Step Solution
- Step 1: Write the proportion equation
361,154,351.93 : 498,423,743.63 = 204,549,318.05 : x - Step 2: Convert to fraction form
361,154,351.93/498,423,743.63 = 204,549,318.05/x - Step 3: Cross multiply
361,154,351.93x = 498,423,743.63 × 204,549,318.05 - Step 4: Simplify right side
361,154,351.93x = 101,952,236,859,444,544 - Step 5: Solve for x
x = 101,952,236,859,444,544/361,154,351.93 - Step 6: Final answer
x = 282,295,468.17
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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.