Finding the Fourth Proportional to 505,310,666.24, 758,038,296.72 and 155,586,320.12
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Solution
The fourth proportional to 505,310,666.24, 758,038,296.72 and 155,586,320.12 is: 233,401,740.70
Step by Step Solution
- Step 1: Write the proportion equation
505,310,666.24 : 758,038,296.72 = 155,586,320.12 : x - Step 2: Convert to fraction form
505,310,666.24/758,038,296.72 = 155,586,320.12/x - Step 3: Cross multiply
505,310,666.24x = 758,038,296.72 × 155,586,320.12 - Step 4: Simplify right side
505,310,666.24x = 117,940,389,096,697,472 - Step 5: Solve for x
x = 117,940,389,096,697,472/505,310,666.24 - Step 6: Final answer
x = 233,401,740.70
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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.