Finding the Fourth Proportional to 664,307,125.20, 996,460,687.80 and 664,307,125.20
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Solution
The fourth proportional to 664,307,125.20, 996,460,687.80 and 664,307,125.20 is: 996,460,687.80
Step by Step Solution
- Step 1: Write the proportion equation
664,307,125.20 : 996,460,687.80 = 664,307,125.20 : x - Step 2: Convert to fraction form
664,307,125.20/996,460,687.80 = 664,307,125.20/x - Step 3: Cross multiply
664,307,125.20x = 996,460,687.80 × 664,307,125.20 - Step 4: Simplify right side
664,307,125.20x = 661,955,934,887,232,768 - Step 5: Solve for x
x = 661,955,934,887,232,768/664,307,125.20 - Step 6: Final answer
x = 996,460,687.80
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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.