Finding the Fourth Proportional to 429,661,240.12, 592,463,309.34 and 290,189,860.84
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Solution
The fourth proportional to 429,661,240.12, 592,463,309.34 and 290,189,860.84 is: 400,145,112.56
Step by Step Solution
- Step 1: Write the proportion equation
429,661,240.12 : 592,463,309.34 = 290,189,860.84 : x - Step 2: Convert to fraction form
429,661,240.12/592,463,309.34 = 290,189,860.84/x - Step 3: Cross multiply
429,661,240.12x = 592,463,309.34 × 290,189,860.84 - Step 4: Simplify right side
429,661,240.12x = 171,926,845,290,180,480 - Step 5: Solve for x
x = 171,926,845,290,180,480/429,661,240.12 - Step 6: Final answer
x = 400,145,112.56
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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.