Finding the Fourth Proportional to 509,264,133.73, 764,192,645.07 and 214,137,896.03
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Solution
The fourth proportional to 509,264,133.73, 764,192,645.07 and 214,137,896.03 is: 321,331,494.48
Step by Step Solution
- Step 1: Write the proportion equation
509,264,133.73 : 764,192,645.07 = 214,137,896.03 : x - Step 2: Convert to fraction form
509,264,133.73/764,192,645.07 = 214,137,896.03/x - Step 3: Cross multiply
509,264,133.73x = 764,192,645.07 × 214,137,896.03 - Step 4: Simplify right side
509,264,133.73x = 163,642,605,176,890,368 - Step 5: Solve for x
x = 163,642,605,176,890,368/509,264,133.73 - Step 6: Final answer
x = 321,331,494.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.