Finding the Fourth Proportional to 1,867,094,544.64, 2,801,126,047.92 and 992,977,121.92
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Solution
The fourth proportional to 1,867,094,544.64, 2,801,126,047.92 and 992,977,121.92 is: 1,489,723,211.49
Step by Step Solution
- Step 1: Write the proportion equation
1,867,094,544.64 : 2,801,126,047.92 = 992,977,121.92 : x - Step 2: Convert to fraction form
1,867,094,544.64/2,801,126,047.92 = 992,977,121.92/x - Step 3: Cross multiply
1,867,094,544.64x = 2,801,126,047.92 × 992,977,121.92 - Step 4: Simplify right side
1,867,094,544.64x = 2,781,454,081,198,745,600 - Step 5: Solve for x
x = 2,781,454,081,198,745,600/1,867,094,544.64 - Step 6: Final answer
x = 1,489,723,211.49
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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.