Finding the Fourth Proportional to 580,876,645.40, 815,268,037 and 580,876,645.40
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Solution
The fourth proportional to 580,876,645.40, 815,268,037 and 580,876,645.40 is: 815,268,037
Step by Step Solution
- Step 1: Write the proportion equation
580,876,645.40 : 815,268,037 = 580,876,645.40 : x - Step 2: Convert to fraction form
580,876,645.40/815,268,037 = 580,876,645.40/x - Step 3: Cross multiply
580,876,645.40x = 815,268,037 × 580,876,645.40 - Step 4: Simplify right side
580,876,645.40x = 473,570,162,434,403,072 - Step 5: Solve for x
x = 473,570,162,434,403,072/580,876,645.40 - Step 6: Final answer
x = 815,268,037
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.