Finding the Fourth Proportional to 324,974,966.40, 487,179,014.40 and 195,634,036.80
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Solution
The fourth proportional to 324,974,966.40, 487,179,014.40 and 195,634,036.80 is: 293,280,427.99
Step by Step Solution
- Step 1: Write the proportion equation
324,974,966.40 : 487,179,014.40 = 195,634,036.80 : x - Step 2: Convert to fraction form
324,974,966.40/487,179,014.40 = 195,634,036.80/x - Step 3: Cross multiply
324,974,966.40x = 487,179,014.40 × 195,634,036.80 - Step 4: Simplify right side
324,974,966.40x = 95,308,797,231,317,328 - Step 5: Solve for x
x = 95,308,797,231,317,328/324,974,966.40 - Step 6: Final answer
x = 293,280,427.99
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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.