Finding the Fourth Proportional to 580,962,785.99, 801,757,007.37 and 326,724,142.60
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Solution
The fourth proportional to 580,962,785.99, 801,757,007.37 and 326,724,142.60 is: 450,895,267.52
Step by Step Solution
- Step 1: Write the proportion equation
580,962,785.99 : 801,757,007.37 = 326,724,142.60 : x - Step 2: Convert to fraction form
580,962,785.99/801,757,007.37 = 326,724,142.60/x - Step 3: Cross multiply
580,962,785.99x = 801,757,007.37 × 326,724,142.60 - Step 4: Simplify right side
580,962,785.99x = 261,953,370,806,505,152 - Step 5: Solve for x
x = 261,953,370,806,505,152/580,962,785.99 - Step 6: Final answer
x = 450,895,267.52
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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.