Finding the Fourth Proportional to 798,630,364.56, 1,197,969,951.36 and 273,992,106.96
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Solution
The fourth proportional to 798,630,364.56, 1,197,969,951.36 and 273,992,106.96 is: 410,996,533.08
Step by Step Solution
- Step 1: Write the proportion equation
798,630,364.56 : 1,197,969,951.36 = 273,992,106.96 : x - Step 2: Convert to fraction form
798,630,364.56/1,197,969,951.36 = 273,992,106.96/x - Step 3: Cross multiply
798,630,364.56x = 1,197,969,951.36 × 273,992,106.96 - Step 4: Simplify right side
798,630,364.56x = 328,234,311,047,895,040 - Step 5: Solve for x
x = 328,234,311,047,895,040/798,630,364.56 - Step 6: Final answer
x = 410,996,533.08
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1.5x scale
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.