Finding the Fourth Proportional to 415,845,638.99, 573,686,842.97 and 250,741,485.71
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Solution
The fourth proportional to 415,845,638.99, 573,686,842.97 and 250,741,485.71 is: 345,914,632.38
Step by Step Solution
- Step 1: Write the proportion equation
415,845,638.99 : 573,686,842.97 = 250,741,485.71 : x - Step 2: Convert to fraction form
415,845,638.99/573,686,842.97 = 250,741,485.71/x - Step 3: Cross multiply
415,845,638.99x = 573,686,842.97 × 250,741,485.71 - Step 4: Simplify right side
415,845,638.99x = 143,847,091,338,577,280 - Step 5: Solve for x
x = 143,847,091,338,577,280/415,845,638.99 - Step 6: Final answer
x = 345,914,632.38
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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.