Finding the Fourth Proportional to 798,630,391.50, 1,197,969,991.86 and 273,992,134.08
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Solution
The fourth proportional to 798,630,391.50, 1,197,969,991.86 and 273,992,134.08 is: 410,996,573.79
Step by Step Solution
- Step 1: Write the proportion equation
798,630,391.50 : 1,197,969,991.86 = 273,992,134.08 : x - Step 2: Convert to fraction form
798,630,391.50/1,197,969,991.86 = 273,992,134.08/x - Step 3: Cross multiply
798,630,391.50x = 1,197,969,991.86 × 273,992,134.08 - Step 4: Simplify right side
798,630,391.50x = 328,234,354,633,521,600 - Step 5: Solve for x
x = 328,234,354,633,521,600/798,630,391.50 - Step 6: Final answer
x = 410,996,573.79
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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.