Finding the Fourth Proportional to 548,101,427.76, 756,310,277.52 and 313,167,297.60
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Solution
The fourth proportional to 548,101,427.76, 756,310,277.52 and 313,167,297.60 is: 432,131,050.50
Step by Step Solution
- Step 1: Write the proportion equation
548,101,427.76 : 756,310,277.52 = 313,167,297.60 : x - Step 2: Convert to fraction form
548,101,427.76/756,310,277.52 = 313,167,297.60/x - Step 3: Cross multiply
548,101,427.76x = 756,310,277.52 × 313,167,297.60 - Step 4: Simplify right side
548,101,427.76x = 236,851,645,758,044,448 - Step 5: Solve for x
x = 236,851,645,758,044,448/548,101,427.76 - Step 6: Final answer
x = 432,131,050.50
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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.