Finding the Fourth Proportional to 416,352,762.10, 624,081,245.55 and 157,467,949.30
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Solution
The fourth proportional to 416,352,762.10, 624,081,245.55 and 157,467,949.30 is: 236,032,525.49
Step by Step Solution
- Step 1: Write the proportion equation
416,352,762.10 : 624,081,245.55 = 157,467,949.30 : x - Step 2: Convert to fraction form
416,352,762.10/624,081,245.55 = 157,467,949.30/x - Step 3: Cross multiply
416,352,762.10x = 624,081,245.55 × 157,467,949.30 - Step 4: Simplify right side
416,352,762.10x = 98,272,793,933,348,256 - Step 5: Solve for x
x = 98,272,793,933,348,256/416,352,762.10 - Step 6: Final answer
x = 236,032,525.49
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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.