Finding the Fourth Proportional to 2,292,004,619.30, 3,438,006,928.95 and 656,229,221.30
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Solution
The fourth proportional to 2,292,004,619.30, 3,438,006,928.95 and 656,229,221.30 is: 984,343,831.95
Step by Step Solution
- Step 1: Write the proportion equation
2,292,004,619.30 : 3,438,006,928.95 = 656,229,221.30 : x - Step 2: Convert to fraction form
2,292,004,619.30/3,438,006,928.95 = 656,229,221.30/x - Step 3: Cross multiply
2,292,004,619.30x = 3,438,006,928.95 × 656,229,221.30 - Step 4: Simplify right side
2,292,004,619.30x = 2,256,120,609,808,862,720 - Step 5: Solve for x
x = 2,256,120,609,808,862,720/2,292,004,619.30 - Step 6: Final answer
x = 984,343,831.95
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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.