Finding the Fourth Proportional to 808,243,034.40, 1,212,364,551.60 and 730,758,936.60
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Solution
The fourth proportional to 808,243,034.40, 1,212,364,551.60 and 730,758,936.60 is: 1,096,138,404.90
Step by Step Solution
- Step 1: Write the proportion equation
808,243,034.40 : 1,212,364,551.60 = 730,758,936.60 : x - Step 2: Convert to fraction form
808,243,034.40/1,212,364,551.60 = 730,758,936.60/x - Step 3: Cross multiply
808,243,034.40x = 1,212,364,551.60 × 730,758,936.60 - Step 4: Simplify right side
808,243,034.40x = 885,946,230,498,751,744 - Step 5: Solve for x
x = 885,946,230,498,751,744/808,243,034.40 - Step 6: Final answer
x = 1,096,138,404.90
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1.5x scale
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.