Finding the Fourth Proportional to 4,292,373,567.80, 6,438,560,351.70 and 2,115,591,231.80
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Solution
The fourth proportional to 4,292,373,567.80, 6,438,560,351.70 and 2,115,591,231.80 is: 3,173,386,847.70
Step by Step Solution
- Step 1: Write the proportion equation
4,292,373,567.80 : 6,438,560,351.70 = 2,115,591,231.80 : x - Step 2: Convert to fraction form
4,292,373,567.80/6,438,560,351.70 = 2,115,591,231.80/x - Step 3: Cross multiply
4,292,373,567.80x = 6,438,560,351.70 × 2,115,591,231.80 - Step 4: Simplify right side
4,292,373,567.80x = 13,621,361,825,471,643,648 - Step 5: Solve for x
x = 13,621,361,825,471,643,648/4,292,373,567.80 - Step 6: Final answer
x = 3,173,386,847.70
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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.