Finding the Fourth Proportional to 465,629,286.16, 698,251,764.84 and 158,946,101.20
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Solution
The fourth proportional to 465,629,286.16, 698,251,764.84 and 158,946,101.20 is: 238,353,555.02
Step by Step Solution
- Step 1: Write the proportion equation
465,629,286.16 : 698,251,764.84 = 158,946,101.20 : x - Step 2: Convert to fraction form
465,629,286.16/698,251,764.84 = 158,946,101.20/x - Step 3: Cross multiply
465,629,286.16x = 698,251,764.84 × 158,946,101.20 - Step 4: Simplify right side
465,629,286.16x = 110,984,395,677,337,232 - Step 5: Solve for x
x = 110,984,395,677,337,232/465,629,286.16 - Step 6: Final answer
x = 238,353,555.02
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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.