Finding the Fourth Proportional to 525,642,409.80, 788,463,614.70 and 525,642,409.80
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Solution
The fourth proportional to 525,642,409.80, 788,463,614.70 and 525,642,409.80 is: 788,463,614.70
Step by Step Solution
- Step 1: Write the proportion equation
525,642,409.80 : 788,463,614.70 = 525,642,409.80 : x - Step 2: Convert to fraction form
525,642,409.80/788,463,614.70 = 525,642,409.80/x - Step 3: Cross multiply
525,642,409.80x = 788,463,614.70 × 525,642,409.80 - Step 4: Simplify right side
525,642,409.80x = 414,449,914,470,526,720 - Step 5: Solve for x
x = 414,449,914,470,526,720/525,642,409.80 - Step 6: Final answer
x = 788,463,614.70
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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.