Finding the Fourth Proportional to 322,245,930.09, 444,347,482.01 and 217,642,395.63
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Solution
The fourth proportional to 322,245,930.09, 444,347,482.01 and 217,642,395.63 is: 300,108,834.42
Step by Step Solution
- Step 1: Write the proportion equation
322,245,930.09 : 444,347,482.01 = 217,642,395.63 : x - Step 2: Convert to fraction form
322,245,930.09/444,347,482.01 = 217,642,395.63/x - Step 3: Cross multiply
322,245,930.09x = 444,347,482.01 × 217,642,395.63 - Step 4: Simplify right side
322,245,930.09x = 96,708,850,475,726,512 - Step 5: Solve for x
x = 96,708,850,475,726,512/322,245,930.09 - Step 6: Final answer
x = 300,108,834.42
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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.