Finding the Fourth Proportional to 2,155,707,205.20, 3,233,560,807.80 and 1,937,603,818.80
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Solution
The fourth proportional to 2,155,707,205.20, 3,233,560,807.80 and 1,937,603,818.80 is: 2,906,405,728.20
Step by Step Solution
- Step 1: Write the proportion equation
2,155,707,205.20 : 3,233,560,807.80 = 1,937,603,818.80 : x - Step 2: Convert to fraction form
2,155,707,205.20/3,233,560,807.80 = 1,937,603,818.80/x - Step 3: Cross multiply
2,155,707,205.20x = 3,233,560,807.80 × 1,937,603,818.80 - Step 4: Simplify right side
2,155,707,205.20x = 6,265,359,769,515,292,672 - Step 5: Solve for x
x = 6,265,359,769,515,292,672/2,155,707,205.20 - Step 6: Final answer
x = 2,906,405,728.20
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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.