Finding the Fourth Proportional to 641,232,659.96, 884,902,785.74 and 347,877,227.96
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Solution
The fourth proportional to 641,232,659.96, 884,902,785.74 and 347,877,227.96 is: 480,071,504.99
Step by Step Solution
- Step 1: Write the proportion equation
641,232,659.96 : 884,902,785.74 = 347,877,227.96 : x - Step 2: Convert to fraction form
641,232,659.96/884,902,785.74 = 347,877,227.96/x - Step 3: Cross multiply
641,232,659.96x = 884,902,785.74 × 347,877,227.96 - Step 4: Simplify right side
641,232,659.96x = 307,837,528,117,313,024 - Step 5: Solve for x
x = 307,837,528,117,313,024/641,232,659.96 - Step 6: Final answer
x = 480,071,504.99
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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.