Finding the Fourth Proportional to 542,516,964.63, 812,751,414.15 and 320,525,916
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Solution
The fourth proportional to 542,516,964.63, 812,751,414.15 and 320,525,916 is: 480,183,862.41
Step by Step Solution
- Step 1: Write the proportion equation
542,516,964.63 : 812,751,414.15 = 320,525,916 : x - Step 2: Convert to fraction form
542,516,964.63/812,751,414.15 = 320,525,916/x - Step 3: Cross multiply
542,516,964.63x = 812,751,414.15 × 320,525,916 - Step 4: Simplify right side
542,516,964.63x = 260,507,891,500,724,096 - Step 5: Solve for x
x = 260,507,891,500,724,096/542,516,964.63 - Step 6: Final answer
x = 480,183,862.41
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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.