Finding the Fourth Proportional to 436,549,114.80, 654,823,672.20 and 396,372,175.20
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Solution
The fourth proportional to 436,549,114.80, 654,823,672.20 and 396,372,175.20 is: 594,558,262.80
Step by Step Solution
- Step 1: Write the proportion equation
436,549,114.80 : 654,823,672.20 = 396,372,175.20 : x - Step 2: Convert to fraction form
436,549,114.80/654,823,672.20 = 396,372,175.20/x - Step 3: Cross multiply
436,549,114.80x = 654,823,672.20 × 396,372,175.20 - Step 4: Simplify right side
436,549,114.80x = 259,553,883,322,365,792 - Step 5: Solve for x
x = 259,553,883,322,365,792/436,549,114.80 - Step 6: Final answer
x = 594,558,262.80
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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.