Finding the Fourth Proportional to 353,246,326.76, 487,471,021.22 and 194,474,864.64
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Solution
The fourth proportional to 353,246,326.76, 487,471,021.22 and 194,474,864.64 is: 268,370,408.09
Step by Step Solution
- Step 1: Write the proportion equation
353,246,326.76 : 487,471,021.22 = 194,474,864.64 : x - Step 2: Convert to fraction form
353,246,326.76/487,471,021.22 = 194,474,864.64/x - Step 3: Cross multiply
353,246,326.76x = 487,471,021.22 × 194,474,864.64 - Step 4: Simplify right side
353,246,326.76x = 94,800,860,867,682,064 - Step 5: Solve for x
x = 94,800,860,867,682,064/353,246,326.76 - Step 6: Final answer
x = 268,370,408.09
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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.