Finding the Fourth Proportional to 621,567,687.09, 932,351,530.63 and 621,567,687.09
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Solution
The fourth proportional to 621,567,687.09, 932,351,530.63 and 621,567,687.09 is: 932,351,530.63
Step by Step Solution
- Step 1: Write the proportion equation
621,567,687.09 : 932,351,530.63 = 621,567,687.09 : x - Step 2: Convert to fraction form
621,567,687.09/932,351,530.63 = 621,567,687.09/x - Step 3: Cross multiply
621,567,687.09x = 932,351,530.63 × 621,567,687.09 - Step 4: Simplify right side
621,567,687.09x = 579,519,584,448,510,464 - Step 5: Solve for x
x = 579,519,584,448,510,464/621,567,687.09 - Step 6: Final answer
x = 932,351,530.63
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Similar ratio
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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.