Finding the Fourth Proportional to 917,580,674.26, 1,376,801,478.60 and 457,554,715.84
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Solution
The fourth proportional to 917,580,674.26, 1,376,801,478.60 and 457,554,715.84 is: 686,546,727.69
Step by Step Solution
- Step 1: Write the proportion equation
917,580,674.26 : 1,376,801,478.60 = 457,554,715.84 : x - Step 2: Convert to fraction form
917,580,674.26/1,376,801,478.60 = 457,554,715.84/x - Step 3: Cross multiply
917,580,674.26x = 1,376,801,478.60 × 457,554,715.84 - Step 4: Simplify right side
917,580,674.26x = 629,962,009,308,914,816 - Step 5: Solve for x
x = 629,962,009,308,914,816/917,580,674.26 - Step 6: Final answer
x = 686,546,727.69
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1.5x scale
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.