Finding the Fourth Proportional to 290,756,610.11, 401,245,369.38 and 158,600,486.63
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Solution
The fourth proportional to 290,756,610.11, 401,245,369.38 and 158,600,486.63 is: 218,869,351.99
Step by Step Solution
- Step 1: Write the proportion equation
290,756,610.11 : 401,245,369.38 = 158,600,486.63 : x - Step 2: Convert to fraction form
290,756,610.11/401,245,369.38 = 158,600,486.63/x - Step 3: Cross multiply
290,756,610.11x = 401,245,369.38 × 158,600,486.63 - Step 4: Simplify right side
290,756,610.11x = 63,637,710,839,695,872 - Step 5: Solve for x
x = 63,637,710,839,695,872/290,756,610.11 - Step 6: Final answer
x = 218,869,351.99
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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.