Finding the Fourth Proportional to 484,821,845.40, 727,334,903.70 and 157,271,782.44
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Solution
The fourth proportional to 484,821,845.40, 727,334,903.70 and 157,271,782.44 is: 235,940,805.52
Step by Step Solution
- Step 1: Write the proportion equation
484,821,845.40 : 727,334,903.70 = 157,271,782.44 : x - Step 2: Convert to fraction form
484,821,845.40/727,334,903.70 = 157,271,782.44/x - Step 3: Cross multiply
484,821,845.40x = 727,334,903.70 × 157,271,782.44 - Step 4: Simplify right side
484,821,845.40x = 114,389,256,735,724,752 - Step 5: Solve for x
x = 114,389,256,735,724,752/484,821,845.40 - Step 6: Final answer
x = 235,940,805.52
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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.