Finding the Fourth Proportional to 641,178,296.11, 884,827,751.98 and 347,822,864.11
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Solution
The fourth proportional to 641,178,296.11, 884,827,751.98 and 347,822,864.11 is: 479,996,476.49
Step by Step Solution
- Step 1: Write the proportion equation
641,178,296.11 : 884,827,751.98 = 347,822,864.11 : x - Step 2: Convert to fraction form
641,178,296.11/884,827,751.98 = 347,822,864.11/x - Step 3: Cross multiply
641,178,296.11x = 884,827,751.98 × 347,822,864.11 - Step 4: Simplify right side
641,178,296.11x = 307,763,322,934,614,720 - Step 5: Solve for x
x = 307,763,322,934,614,720/641,178,296.11 - Step 6: Final answer
x = 479,996,476.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.