Finding the Fourth Proportional to 278,040,277.60, 417,209,715.60 and 116,498,543.20
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Solution
The fourth proportional to 278,040,277.60, 417,209,715.60 and 116,498,543.20 is: 174,810,370.99
Step by Step Solution
- Step 1: Write the proportion equation
278,040,277.60 : 417,209,715.60 = 116,498,543.20 : x - Step 2: Convert to fraction form
278,040,277.60/417,209,715.60 = 116,498,543.20/x - Step 3: Cross multiply
278,040,277.60x = 417,209,715.60 × 116,498,543.20 - Step 4: Simplify right side
278,040,277.60x = 48,604,324,076,286,320 - Step 5: Solve for x
x = 48,604,324,076,286,320/278,040,277.60 - Step 6: Final answer
x = 174,810,370.99
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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.