Finding the Fourth Proportional to 612,974,036.44, 845,903,947.84 and 334,515,559.97
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Solution
The fourth proportional to 612,974,036.44, 845,903,947.84 and 334,515,559.97 is: 461,631,351.37
Step by Step Solution
- Step 1: Write the proportion equation
612,974,036.44 : 845,903,947.84 = 334,515,559.97 : x - Step 2: Convert to fraction form
612,974,036.44/845,903,947.84 = 334,515,559.97/x - Step 3: Cross multiply
612,974,036.44x = 845,903,947.84 × 334,515,559.97 - Step 4: Simplify right side
612,974,036.44x = 282,968,032,793,809,760 - Step 5: Solve for x
x = 282,968,032,793,809,760/612,974,036.44 - Step 6: Final answer
x = 461,631,351.37
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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.