Finding the Fourth Proportional to 622,931,872.10, 934,397,808.15 and 521,651,027.30
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Solution
The fourth proportional to 622,931,872.10, 934,397,808.15 and 521,651,027.30 is: 782,476,540.95
Step by Step Solution
- Step 1: Write the proportion equation
622,931,872.10 : 934,397,808.15 = 521,651,027.30 : x - Step 2: Convert to fraction form
622,931,872.10/934,397,808.15 = 521,651,027.30/x - Step 3: Cross multiply
622,931,872.10x = 934,397,808.15 × 521,651,027.30 - Step 4: Simplify right side
622,931,872.10x = 487,429,576,528,315,840 - Step 5: Solve for x
x = 487,429,576,528,315,840/622,931,872.10 - Step 6: Final answer
x = 782,476,540.95
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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.