Finding the Fourth Proportional to 396,901,566.60, 595,313,555.08 and 120,555,179.92
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Solution
The fourth proportional to 396,901,566.60, 595,313,555.08 and 120,555,179.92 is: 180,820,986.31
Step by Step Solution
- Step 1: Write the proportion equation
396,901,566.60 : 595,313,555.08 = 120,555,179.92 : x - Step 2: Convert to fraction form
396,901,566.60/595,313,555.08 = 120,555,179.92/x - Step 3: Cross multiply
396,901,566.60x = 595,313,555.08 × 120,555,179.92 - Step 4: Simplify right side
396,901,566.60x = 71,768,132,741,484,240 - Step 5: Solve for x
x = 71,768,132,741,484,240/396,901,566.60 - Step 6: Final answer
x = 180,820,986.31
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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.