Finding the Fourth Proportional to 354,826,805.20, 532,240,207.80 and 201,413,582.80
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Solution
The fourth proportional to 354,826,805.20, 532,240,207.80 and 201,413,582.80 is: 302,120,374.20
Step by Step Solution
- Step 1: Write the proportion equation
354,826,805.20 : 532,240,207.80 = 201,413,582.80 : x - Step 2: Convert to fraction form
354,826,805.20/532,240,207.80 = 201,413,582.80/x - Step 3: Cross multiply
354,826,805.20x = 532,240,207.80 × 201,413,582.80 - Step 4: Simplify right side
354,826,805.20x = 107,200,407,163,214,512 - Step 5: Solve for x
x = 107,200,407,163,214,512/354,826,805.20 - Step 6: Final answer
x = 302,120,374.20
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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.