Finding the Fourth Proportional to 2,265,687,138.28, 3,126,233,190.97 and 1,262,079,730.08
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Solution
The fourth proportional to 2,265,687,138.28, 3,126,233,190.97 and 1,262,079,730.08 is: 1,741,438,822.32
Step by Step Solution
- Step 1: Write the proportion equation
2,265,687,138.28 : 3,126,233,190.97 = 1,262,079,730.08 : x - Step 2: Convert to fraction form
2,265,687,138.28/3,126,233,190.97 = 1,262,079,730.08/x - Step 3: Cross multiply
2,265,687,138.28x = 3,126,233,190.97 × 1,262,079,730.08 - Step 4: Simplify right side
2,265,687,138.28x = 3,945,555,541,826,554,368 - Step 5: Solve for x
x = 3,945,555,541,826,554,368/2,265,687,138.28 - Step 6: Final answer
x = 1,741,438,822.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.