Finding the Fourth Proportional to 361,153,950.76, 498,423,189.18 and 204,548,917.24
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Solution
The fourth proportional to 361,153,950.76, 498,423,189.18 and 204,548,917.24 is: 282,294,914.56
Step by Step Solution
- Step 1: Write the proportion equation
361,153,950.76 : 498,423,189.18 = 204,548,917.24 : x - Step 2: Convert to fraction form
361,153,950.76/498,423,189.18 = 204,548,917.24/x - Step 3: Cross multiply
361,153,950.76x = 498,423,189.18 × 204,548,917.24 - Step 4: Simplify right side
361,153,950.76x = 101,951,923,674,076,688 - Step 5: Solve for x
x = 101,951,923,674,076,688/361,153,950.76 - Step 6: Final answer
x = 282,294,914.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.