Finding the Fourth Proportional to 489,549,622.64, 734,378,230.92 and 161,905,789.04
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Solution
The fourth proportional to 489,549,622.64, 734,378,230.92 and 161,905,789.04 is: 242,876,475.50
Step by Step Solution
- Step 1: Write the proportion equation
489,549,622.64 : 734,378,230.92 = 161,905,789.04 : x - Step 2: Convert to fraction form
489,549,622.64/734,378,230.92 = 161,905,789.04/x - Step 3: Cross multiply
489,549,622.64x = 734,378,230.92 × 161,905,789.04 - Step 4: Simplify right side
489,549,622.64x = 118,900,086,930,901,920 - Step 5: Solve for x
x = 118,900,086,930,901,920/489,549,622.64 - Step 6: Final answer
x = 242,876,475.50
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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.