Finding the Fourth Proportional to 441,314,794.68, 609,014,387.79 and 255,783,427.98
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Solution
The fourth proportional to 441,314,794.68, 609,014,387.79 and 255,783,427.98 is: 352,981,113.88
Step by Step Solution
- Step 1: Write the proportion equation
441,314,794.68 : 609,014,387.79 = 255,783,427.98 : x - Step 2: Convert to fraction form
441,314,794.68/609,014,387.79 = 255,783,427.98/x - Step 3: Cross multiply
441,314,794.68x = 609,014,387.79 × 255,783,427.98 - Step 4: Simplify right side
441,314,794.68x = 155,775,787,798,067,232 - Step 5: Solve for x
x = 155,775,787,798,067,232/441,314,794.68 - Step 6: Final answer
x = 352,981,113.88
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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.