Finding the Fourth Proportional to 1,840,993,415.16, 2,540,570,815.76 and 994,220,656.08
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Solution
The fourth proportional to 1,840,993,415.16, 2,540,570,815.76 and 994,220,656.08 is: 1,372,024,452.92
Step by Step Solution
- Step 1: Write the proportion equation
1,840,993,415.16 : 2,540,570,815.76 = 994,220,656.08 : x - Step 2: Convert to fraction form
1,840,993,415.16/2,540,570,815.76 = 994,220,656.08/x - Step 3: Cross multiply
1,840,993,415.16x = 2,540,570,815.76 × 994,220,656.08 - Step 4: Simplify right side
1,840,993,415.16x = 2,525,887,983,262,608,384 - Step 5: Solve for x
x = 2,525,887,983,262,608,384/1,840,993,415.16 - Step 6: Final answer
x = 1,372,024,452.92
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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.