Finding the Fourth Proportional to 378,001,186.20, 566,553,881.70 and 159,651,106.20
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Solution
The fourth proportional to 378,001,186.20, 566,553,881.70 and 159,651,106.20 is: 239,287,487.02
Step by Step Solution
- Step 1: Write the proportion equation
378,001,186.20 : 566,553,881.70 = 159,651,106.20 : x - Step 2: Convert to fraction form
378,001,186.20/566,553,881.70 = 159,651,106.20/x - Step 3: Cross multiply
378,001,186.20x = 566,553,881.70 × 159,651,106.20 - Step 4: Simplify right side
378,001,186.20x = 90,450,953,935,308,944 - Step 5: Solve for x
x = 90,450,953,935,308,944/378,001,186.20 - Step 6: Final answer
x = 239,287,487.02
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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.