Finding the Fourth Proportional to 505,469,116.22, 697,533,999.74 and 282,452,630.44
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Solution
The fourth proportional to 505,469,116.22, 697,533,999.74 and 282,452,630.44 is: 389,777,153.00
Step by Step Solution
- Step 1: Write the proportion equation
505,469,116.22 : 697,533,999.74 = 282,452,630.44 : x - Step 2: Convert to fraction form
505,469,116.22/697,533,999.74 = 282,452,630.44/x - Step 3: Cross multiply
505,469,116.22x = 697,533,999.74 × 282,452,630.44 - Step 4: Simplify right side
505,469,116.22x = 197,020,313,047,897,280 - Step 5: Solve for x
x = 197,020,313,047,897,280/505,469,116.22 - Step 6: Final answer
x = 389,777,153.00
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1.5x scale
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.