Finding the Fourth Proportional to 371,148,074.87, 512,175,409.74 and 206,135,775.59
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Solution
The fourth proportional to 371,148,074.87, 512,175,409.74 and 206,135,775.59 is: 284,462,408.60
Step by Step Solution
- Step 1: Write the proportion equation
371,148,074.87 : 512,175,409.74 = 206,135,775.59 : x - Step 2: Convert to fraction form
371,148,074.87/512,175,409.74 = 206,135,775.59/x - Step 3: Cross multiply
371,148,074.87x = 512,175,409.74 × 206,135,775.59 - Step 4: Simplify right side
371,148,074.87x = 105,577,675,322,320,064 - Step 5: Solve for x
x = 105,577,675,322,320,064/371,148,074.87 - Step 6: Final answer
x = 284,462,408.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.