Finding the Fourth Proportional to 891,394,614.24, 1,230,162,986.91 and 494,917,623.36
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Solution
The fourth proportional to 891,394,614.24, 1,230,162,986.91 and 494,917,623.36 is: 683,007,651.27
Step by Step Solution
- Step 1: Write the proportion equation
891,394,614.24 : 1,230,162,986.91 = 494,917,623.36 : x - Step 2: Convert to fraction form
891,394,614.24/1,230,162,986.91 = 494,917,623.36/x - Step 3: Cross multiply
891,394,614.24x = 1,230,162,986.91 × 494,917,623.36 - Step 4: Simplify right side
891,394,614.24x = 608,829,341,826,936,064 - Step 5: Solve for x
x = 608,829,341,826,936,064/891,394,614.24 - Step 6: Final answer
x = 683,007,651.27
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1.5x scale
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.