Finding the Fourth Proportional to 475,421,776.22, 655,983,804.92 and 274,475,168.48
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Solution
The fourth proportional to 475,421,776.22, 655,983,804.92 and 274,475,168.48 is: 378,719,012.00
Step by Step Solution
- Step 1: Write the proportion equation
475,421,776.22 : 655,983,804.92 = 274,475,168.48 : x - Step 2: Convert to fraction form
475,421,776.22/655,983,804.92 = 274,475,168.48/x - Step 3: Cross multiply
475,421,776.22x = 655,983,804.92 × 274,475,168.48 - Step 4: Simplify right side
475,421,776.22x = 180,051,265,375,836,032 - Step 5: Solve for x
x = 180,051,265,375,836,032/475,421,776.22 - Step 6: Final answer
x = 378,719,012.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.