Finding the Fourth Proportional to 272,791,530.24, 409,445,988.96 and 168,846,310.68
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Solution
The fourth proportional to 272,791,530.24, 409,445,988.96 and 168,846,310.68 is: 253,429,586.31
Step by Step Solution
- Step 1: Write the proportion equation
272,791,530.24 : 409,445,988.96 = 168,846,310.68 : x - Step 2: Convert to fraction form
272,791,530.24/409,445,988.96 = 168,846,310.68/x - Step 3: Cross multiply
272,791,530.24x = 409,445,988.96 × 168,846,310.68 - Step 4: Simplify right side
272,791,530.24x = 69,133,444,658,620,008 - Step 5: Solve for x
x = 69,133,444,658,620,008/272,791,530.24 - Step 6: Final answer
x = 253,429,586.31
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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.