Finding the Fourth Proportional to 955,245,058.20, 1,432,875,609.06 and 265,206,120.60
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Solution
The fourth proportional to 955,245,058.20, 1,432,875,609.06 and 265,206,120.60 is: 397,811,407.99
Step by Step Solution
- Step 1: Write the proportion equation
955,245,058.20 : 1,432,875,609.06 = 265,206,120.60 : x - Step 2: Convert to fraction form
955,245,058.20/1,432,875,609.06 = 265,206,120.60/x - Step 3: Cross multiply
955,245,058.20x = 1,432,875,609.06 × 265,206,120.60 - Step 4: Simplify right side
955,245,058.20x = 380,007,381,581,164,800 - Step 5: Solve for x
x = 380,007,381,581,164,800/955,245,058.20 - Step 6: Final answer
x = 397,811,407.99
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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.