Finding the Fourth Proportional to 708,589,093.80, 1,062,883,640.70 and 486,659,332.20
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Solution
The fourth proportional to 708,589,093.80, 1,062,883,640.70 and 486,659,332.20 is: 729,988,998.30
Step by Step Solution
- Step 1: Write the proportion equation
708,589,093.80 : 1,062,883,640.70 = 486,659,332.20 : x - Step 2: Convert to fraction form
708,589,093.80/1,062,883,640.70 = 486,659,332.20/x - Step 3: Cross multiply
708,589,093.80x = 1,062,883,640.70 × 486,659,332.20 - Step 4: Simplify right side
708,589,093.80x = 517,262,242,789,366,720 - Step 5: Solve for x
x = 517,262,242,789,366,720/708,589,093.80 - Step 6: Final answer
x = 729,988,998.30
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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.