Finding the Fourth Proportional to 293,582,076.80, 440,514,832.80 and 207,134,340.80
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Solution
The fourth proportional to 293,582,076.80, 440,514,832.80 and 207,134,340.80 is: 310,801,498.85
Step by Step Solution
- Step 1: Write the proportion equation
293,582,076.80 : 440,514,832.80 = 207,134,340.80 : x - Step 2: Convert to fraction form
293,582,076.80/440,514,832.80 = 207,134,340.80/x - Step 3: Cross multiply
293,582,076.80x = 440,514,832.80 × 207,134,340.80 - Step 4: Simplify right side
293,582,076.80x = 91,245,749,504,650,224 - Step 5: Solve for x
x = 91,245,749,504,650,224/293,582,076.80 - Step 6: Final answer
x = 310,801,498.85
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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.