Finding the Fourth Proportional to 1,540,595,837.08, 2,126,022,255.12 and 880,560,286.84
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Solution
The fourth proportional to 1,540,595,837.08, 2,126,022,255.12 and 880,560,286.84 is: 1,215,173,195.81
Step by Step Solution
- Step 1: Write the proportion equation
1,540,595,837.08 : 2,126,022,255.12 = 880,560,286.84 : x - Step 2: Convert to fraction form
1,540,595,837.08/2,126,022,255.12 = 880,560,286.84/x - Step 3: Cross multiply
1,540,595,837.08x = 2,126,022,255.12 × 880,560,286.84 - Step 4: Simplify right side
1,540,595,837.08x = 1,872,090,766,796,690,944 - Step 5: Solve for x
x = 1,872,090,766,796,690,944/1,540,595,837.08 - Step 6: Final answer
x = 1,215,173,195.81
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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.