Finding the Fourth Proportional to 335,916,422.68, 463,763,514.32 and 298,643,753.00
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Solution
The fourth proportional to 335,916,422.68, 463,763,514.32 and 298,643,753.00 is: 412,305,166.02
Step by Step Solution
- Step 1: Write the proportion equation
335,916,422.68 : 463,763,514.32 = 298,643,753.00 : x - Step 2: Convert to fraction form
335,916,422.68/463,763,514.32 = 298,643,753.00/x - Step 3: Cross multiply
335,916,422.68x = 463,763,514.32 × 298,643,753.00 - Step 4: Simplify right side
335,916,422.68x = 138,500,076,423,133,744 - Step 5: Solve for x
x = 138,500,076,423,133,744/335,916,422.68 - Step 6: Final answer
x = 412,305,166.02
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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.