Finding the Fourth Proportional to 480,728,723.84, 663,441,272.16 and 269,056,724.48
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Solution
The fourth proportional to 480,728,723.84, 663,441,272.16 and 269,056,724.48 is: 371,318,223.19
Step by Step Solution
- Step 1: Write the proportion equation
480,728,723.84 : 663,441,272.16 = 269,056,724.48 : x - Step 2: Convert to fraction form
480,728,723.84/663,441,272.16 = 269,056,724.48/x - Step 3: Cross multiply
480,728,723.84x = 663,441,272.16 × 269,056,724.48 - Step 4: Simplify right side
480,728,723.84x = 178,503,335,572,213,824 - Step 5: Solve for x
x = 178,503,335,572,213,824/480,728,723.84 - Step 6: Final answer
x = 371,318,223.19
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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.