Finding the Fourth Proportional to 487,485,952.63, 672,731,918.60 and 264,467,634.26
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Solution
The fourth proportional to 487,485,952.63, 672,731,918.60 and 264,467,634.26 is: 364,966,042.70
Step by Step Solution
- Step 1: Write the proportion equation
487,485,952.63 : 672,731,918.60 = 264,467,634.26 : x - Step 2: Convert to fraction form
487,485,952.63/672,731,918.60 = 264,467,634.26/x - Step 3: Cross multiply
487,485,952.63x = 672,731,918.60 × 264,467,634.26 - Step 4: Simplify right side
487,485,952.63x = 177,915,819,003,332,896 - Step 5: Solve for x
x = 177,915,819,003,332,896/487,485,952.63 - Step 6: Final answer
x = 364,966,042.70
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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.