Finding the Fourth Proportional to 2,155,707,286.20, 3,233,560,929.30 and 1,937,603,899.80
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Solution
The fourth proportional to 2,155,707,286.20, 3,233,560,929.30 and 1,937,603,899.80 is: 2,906,405,849.70
Step by Step Solution
- Step 1: Write the proportion equation
2,155,707,286.20 : 3,233,560,929.30 = 1,937,603,899.80 : x - Step 2: Convert to fraction form
2,155,707,286.20/3,233,560,929.30 = 1,937,603,899.80/x - Step 3: Cross multiply
2,155,707,286.20x = 3,233,560,929.30 × 1,937,603,899.80 - Step 4: Simplify right side
2,155,707,286.20x = 6,265,360,266,852,592,640 - Step 5: Solve for x
x = 6,265,360,266,852,592,640/2,155,707,286.20 - Step 6: Final answer
x = 2,906,405,849.70
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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.