Finding the Fourth Proportional to 475,421,777.23, 655,983,806.30 and 274,475,169.49
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Solution
The fourth proportional to 475,421,777.23, 655,983,806.30 and 274,475,169.49 is: 378,719,013.38
Step by Step Solution
- Step 1: Write the proportion equation
475,421,777.23 : 655,983,806.30 = 274,475,169.49 : x - Step 2: Convert to fraction form
475,421,777.23/655,983,806.30 = 274,475,169.49/x - Step 3: Cross multiply
475,421,777.23x = 655,983,806.30 × 274,475,169.49 - Step 4: Simplify right side
475,421,777.23x = 180,051,266,412,235,520 - Step 5: Solve for x
x = 180,051,266,412,235,520/475,421,777.23 - Step 6: Final answer
x = 378,719,013.38
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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.