Finding the Fourth Proportional to 501,524,231.20, 752,286,346.80 and 133,058,471.20
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Solution
The fourth proportional to 501,524,231.20, 752,286,346.80 and 133,058,471.20 is: 199,587,706.80
Step by Step Solution
- Step 1: Write the proportion equation
501,524,231.20 : 752,286,346.80 = 133,058,471.20 : x - Step 2: Convert to fraction form
501,524,231.20/752,286,346.80 = 133,058,471.20/x - Step 3: Cross multiply
501,524,231.20x = 752,286,346.80 × 133,058,471.20 - Step 4: Simplify right side
501,524,231.20x = 100,098,071,209,841,008 - Step 5: Solve for x
x = 100,098,071,209,841,008/501,524,231.20 - Step 6: Final answer
x = 199,587,706.80
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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.