Finding the Fourth Proportional to 855,471,389.16, 1,283,001,622.26 and 394,967,104.68
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Solution
The fourth proportional to 855,471,389.16, 1,283,001,622.26 and 394,967,104.68 is: 592,355,796.42
Step by Step Solution
- Step 1: Write the proportion equation
855,471,389.16 : 1,283,001,622.26 = 394,967,104.68 : x - Step 2: Convert to fraction form
855,471,389.16/1,283,001,622.26 = 394,967,104.68/x - Step 3: Cross multiply
855,471,389.16x = 1,283,001,622.26 × 394,967,104.68 - Step 4: Simplify right side
855,471,389.16x = 506,743,436,043,775,232 - Step 5: Solve for x
x = 506,743,436,043,775,232/855,471,389.16 - Step 6: Final answer
x = 592,355,796.42
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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.