Finding the Fourth Proportional to 2,558,347,402.25, 3,530,454,372.11 and 1,429,325,646.05
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Solution
The fourth proportional to 2,558,347,402.25, 3,530,454,372.11 and 1,429,325,646.05 is: 1,972,433,052.62
Step by Step Solution
- Step 1: Write the proportion equation
2,558,347,402.25 : 3,530,454,372.11 = 1,429,325,646.05 : x - Step 2: Convert to fraction form
2,558,347,402.25/3,530,454,372.11 = 1,429,325,646.05/x - Step 3: Cross multiply
2,558,347,402.25x = 3,530,454,372.11 × 1,429,325,646.05 - Step 4: Simplify right side
2,558,347,402.25x = 5,046,168,976,278,573,056 - Step 5: Solve for x
x = 5,046,168,976,278,573,056/2,558,347,402.25 - Step 6: Final answer
x = 1,972,433,052.62
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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.