Finding the Fourth Proportional to 354,287,272.60, 531,430,908.90 and 201,404,891.80
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Solution
The fourth proportional to 354,287,272.60, 531,430,908.90 and 201,404,891.80 is: 302,107,337.70
Step by Step Solution
- Step 1: Write the proportion equation
354,287,272.60 : 531,430,908.90 = 201,404,891.80 : x - Step 2: Convert to fraction form
354,287,272.60/531,430,908.90 = 201,404,891.80/x - Step 3: Cross multiply
354,287,272.60x = 531,430,908.90 × 201,404,891.80 - Step 4: Simplify right side
354,287,272.60x = 107,032,784,706,180,160 - Step 5: Solve for x
x = 107,032,784,706,180,160/354,287,272.60 - Step 6: Final answer
x = 302,107,337.70
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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.