Finding the Fourth Proportional to 590,927,201.76, 815,494,918.44 and 326,613,367.20
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Solution
The fourth proportional to 590,927,201.76, 815,494,918.44 and 326,613,367.20 is: 450,734,947.47
Step by Step Solution
- Step 1: Write the proportion equation
590,927,201.76 : 815,494,918.44 = 326,613,367.20 : x - Step 2: Convert to fraction form
590,927,201.76/815,494,918.44 = 326,613,367.20/x - Step 3: Cross multiply
590,927,201.76x = 815,494,918.44 × 326,613,367.20 - Step 4: Simplify right side
590,927,201.76x = 266,351,541,246,177,792 - Step 5: Solve for x
x = 266,351,541,246,177,792/590,927,201.76 - Step 6: Final answer
x = 450,734,947.47
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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.