Finding the Fourth Proportional to 396,281,203.20, 594,421,804.80 and 275,348,851.20
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Solution
The fourth proportional to 396,281,203.20, 594,421,804.80 and 275,348,851.20 is: 413,023,276.80
Step by Step Solution
- Step 1: Write the proportion equation
396,281,203.20 : 594,421,804.80 = 275,348,851.20 : x - Step 2: Convert to fraction form
396,281,203.20/594,421,804.80 = 275,348,851.20/x - Step 3: Cross multiply
396,281,203.20x = 594,421,804.80 × 275,348,851.20 - Step 4: Simplify right side
396,281,203.20x = 163,673,361,079,910,624 - Step 5: Solve for x
x = 163,673,361,079,910,624/396,281,203.20 - Step 6: Final answer
x = 413,023,276.80
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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.