Finding the Fourth Proportional to 4,203,620,340.40, 6,305,430,510.60 and 2,655,686,234.80
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Solution
The fourth proportional to 4,203,620,340.40, 6,305,430,510.60 and 2,655,686,234.80 is: 3,983,529,352.20
Step by Step Solution
- Step 1: Write the proportion equation
4,203,620,340.40 : 6,305,430,510.60 = 2,655,686,234.80 : x - Step 2: Convert to fraction form
4,203,620,340.40/6,305,430,510.60 = 2,655,686,234.80/x - Step 3: Cross multiply
4,203,620,340.40x = 6,305,430,510.60 × 2,655,686,234.80 - Step 4: Simplify right side
4,203,620,340.40x = 16,745,245,011,488,358,400 - Step 5: Solve for x
x = 16,745,245,011,488,358,400/4,203,620,340.40 - Step 6: Final answer
x = 3,983,529,352.20
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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.