Finding the Fourth Proportional to 392,202,353.80, 588,303,530.70 and 239,147,345.80
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Solution
The fourth proportional to 392,202,353.80, 588,303,530.70 and 239,147,345.80 is: 358,721,018.70
Step by Step Solution
- Step 1: Write the proportion equation
392,202,353.80 : 588,303,530.70 = 239,147,345.80 : x - Step 2: Convert to fraction form
392,202,353.80/588,303,530.70 = 239,147,345.80/x - Step 3: Cross multiply
392,202,353.80x = 588,303,530.70 × 239,147,345.80 - Step 4: Simplify right side
392,202,353.80x = 140,691,227,891,673,840 - Step 5: Solve for x
x = 140,691,227,891,673,840/392,202,353.80 - Step 6: Final answer
x = 358,721,018.70
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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.