Finding the Fourth Proportional to 588,303,631.20, 882,455,446.80 and 358,721,119.20
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Solution
The fourth proportional to 588,303,631.20, 882,455,446.80 and 358,721,119.20 is: 538,081,678.80
Step by Step Solution
- Step 1: Write the proportion equation
588,303,631.20 : 882,455,446.80 = 358,721,119.20 : x - Step 2: Convert to fraction form
588,303,631.20/882,455,446.80 = 358,721,119.20/x - Step 3: Cross multiply
588,303,631.20x = 882,455,446.80 × 358,721,119.20 - Step 4: Simplify right side
588,303,631.20x = 316,555,405,520,232,000 - Step 5: Solve for x
x = 316,555,405,520,232,000/588,303,631.20 - Step 6: Final answer
x = 538,081,678.80
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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.