Finding the Fourth Proportional to 489,622,201.80, 734,433,302.70 and 344,219,944.20
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Solution
The fourth proportional to 489,622,201.80, 734,433,302.70 and 344,219,944.20 is: 516,329,916.30
Step by Step Solution
- Step 1: Write the proportion equation
489,622,201.80 : 734,433,302.70 = 344,219,944.20 : x - Step 2: Convert to fraction form
489,622,201.80/734,433,302.70 = 344,219,944.20/x - Step 3: Cross multiply
489,622,201.80x = 734,433,302.70 × 344,219,944.20 - Step 4: Simplify right side
489,622,201.80x = 252,806,590,474,015,712 - Step 5: Solve for x
x = 252,806,590,474,015,712/489,622,201.80 - Step 6: Final answer
x = 516,329,916.30
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1.5x scale
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.