Finding the Fourth Proportional to 285,328,534.20, 427,857,883.49 and 110,533,437.44
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Solution
The fourth proportional to 285,328,534.20, 427,857,883.49 and 110,533,437.44 is: 165,747,890.34
Step by Step Solution
- Step 1: Write the proportion equation
285,328,534.20 : 427,857,883.49 = 110,533,437.44 : x - Step 2: Convert to fraction form
285,328,534.20/427,857,883.49 = 110,533,437.44/x - Step 3: Cross multiply
285,328,534.20x = 427,857,883.49 × 110,533,437.44 - Step 4: Simplify right side
285,328,534.20x = 47,292,602,597,694,232 - Step 5: Solve for x
x = 47,292,602,597,694,232/285,328,534.20 - Step 6: Final answer
x = 165,747,890.34
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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.