Finding the Fourth Proportional to 858,650,045.19, 1,288,180,558.26 and 276,438,714.99
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Solution
The fourth proportional to 858,650,045.19, 1,288,180,558.26 and 276,438,714.99 is: 414,724,229.27
Step by Step Solution
- Step 1: Write the proportion equation
858,650,045.19 : 1,288,180,558.26 = 276,438,714.99 : x - Step 2: Convert to fraction form
858,650,045.19/1,288,180,558.26 = 276,438,714.99/x - Step 3: Cross multiply
858,650,045.19x = 1,288,180,558.26 × 276,438,714.99 - Step 4: Simplify right side
858,650,045.19x = 356,102,978,200,495,232 - Step 5: Solve for x
x = 356,102,978,200,495,232/858,650,045.19 - Step 6: Final answer
x = 414,724,229.27
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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.