Finding the Fourth Proportional to 289,165,349.60, 434,083,947.60 and 174,279,615.20
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Solution
The fourth proportional to 289,165,349.60, 434,083,947.60 and 174,279,615.20 is: 261,621,883.32
Step by Step Solution
- Step 1: Write the proportion equation
289,165,349.60 : 434,083,947.60 = 174,279,615.20 : x - Step 2: Convert to fraction form
289,165,349.60/434,083,947.60 = 174,279,615.20/x - Step 3: Cross multiply
289,165,349.60x = 434,083,947.60 × 174,279,615.20 - Step 4: Simplify right side
289,165,349.60x = 75,651,983,352,224,960 - Step 5: Solve for x
x = 75,651,983,352,224,960/289,165,349.60 - Step 6: Final answer
x = 261,621,883.32
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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.