Finding the Fourth Proportional to 347,887,782.48, 480,085,448.64 and 191,257,554.36
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Solution
The fourth proportional to 347,887,782.48, 480,085,448.64 and 191,257,554.36 is: 263,935,594.79
Step by Step Solution
- Step 1: Write the proportion equation
347,887,782.48 : 480,085,448.64 = 191,257,554.36 : x - Step 2: Convert to fraction form
347,887,782.48/480,085,448.64 = 191,257,554.36/x - Step 3: Cross multiply
347,887,782.48x = 480,085,448.64 × 191,257,554.36 - Step 4: Simplify right side
347,887,782.48x = 91,819,968,790,709,792 - Step 5: Solve for x
x = 91,819,968,790,709,792/347,887,782.48 - Step 6: Final answer
x = 263,935,594.79
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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.