Finding the Fourth Proportional to 442,856,999.70, 664,282,000.35 and 115,331,879.70
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Solution
The fourth proportional to 442,856,999.70, 664,282,000.35 and 115,331,879.70 is: 172,996,908.26
Step by Step Solution
- Step 1: Write the proportion equation
442,856,999.70 : 664,282,000.35 = 115,331,879.70 : x - Step 2: Convert to fraction form
442,856,999.70/664,282,000.35 = 115,331,879.70/x - Step 3: Cross multiply
442,856,999.70x = 664,282,000.35 × 115,331,879.70 - Step 4: Simplify right side
442,856,999.70x = 76,612,891,751,241,568 - Step 5: Solve for x
x = 76,612,891,751,241,568/442,856,999.70 - Step 6: Final answer
x = 172,996,908.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.