Finding the Fourth Proportional to 368,733,757.80, 553,100,636.70 and 252,507,611.10
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Solution
The fourth proportional to 368,733,757.80, 553,100,636.70 and 252,507,611.10 is: 378,761,416.65
Step by Step Solution
- Step 1: Write the proportion equation
368,733,757.80 : 553,100,636.70 = 252,507,611.10 : x - Step 2: Convert to fraction form
368,733,757.80/553,100,636.70 = 252,507,611.10/x - Step 3: Cross multiply
368,733,757.80x = 553,100,636.70 × 252,507,611.10 - Step 4: Simplify right side
368,733,757.80x = 139,662,120,471,006,000 - Step 5: Solve for x
x = 139,662,120,471,006,000/368,733,757.80 - Step 6: Final answer
x = 378,761,416.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.