Finding the Fourth Proportional to 331,424,465.10, 497,174,022.45 and 101,391,722.70
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Solution
The fourth proportional to 331,424,465.10, 497,174,022.45 and 101,391,722.70 is: 152,099,002.72
Step by Step Solution
- Step 1: Write the proportion equation
331,424,465.10 : 497,174,022.45 = 101,391,722.70 : x - Step 2: Convert to fraction form
331,424,465.10/497,174,022.45 = 101,391,722.70/x - Step 3: Cross multiply
331,424,465.10x = 497,174,022.45 × 101,391,722.70 - Step 4: Simplify right side
331,424,465.10x = 50,409,330,617,893,976 - Step 5: Solve for x
x = 50,409,330,617,893,976/331,424,465.10 - Step 6: Final answer
x = 152,099,002.72
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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.