Finding the Fourth Proportional to 484,821,840.86, 727,334,896.97 and 157,271,778.12
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Solution
The fourth proportional to 484,821,840.86, 727,334,896.97 and 157,271,778.12 is: 235,940,799.07
Step by Step Solution
- Step 1: Write the proportion equation
484,821,840.86 : 727,334,896.97 = 157,271,778.12 : x - Step 2: Convert to fraction form
484,821,840.86/727,334,896.97 = 157,271,778.12/x - Step 3: Cross multiply
484,821,840.86x = 727,334,896.97 × 157,271,778.12 - Step 4: Simplify right side
484,821,840.86x = 114,389,252,538,319,584 - Step 5: Solve for x
x = 114,389,252,538,319,584/484,821,840.86 - Step 6: Final answer
x = 235,940,799.07
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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.