Finding the Fourth Proportional to 3,601,426,879.20, 5,402,140,318.80 and 2,989,206,847.20
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Solution
The fourth proportional to 3,601,426,879.20, 5,402,140,318.80 and 2,989,206,847.20 is: 4,483,810,270.80
Step by Step Solution
- Step 1: Write the proportion equation
3,601,426,879.20 : 5,402,140,318.80 = 2,989,206,847.20 : x - Step 2: Convert to fraction form
3,601,426,879.20/5,402,140,318.80 = 2,989,206,847.20/x - Step 3: Cross multiply
3,601,426,879.20x = 5,402,140,318.80 × 2,989,206,847.20 - Step 4: Simplify right side
3,601,426,879.20x = 16,148,114,830,492,149,760 - Step 5: Solve for x
x = 16,148,114,830,492,149,760/3,601,426,879.20 - Step 6: Final answer
x = 4,483,810,270.80
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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.