Finding the Fourth Proportional to 554,898,491.92, 765,759,652.48 and 331,880,169.68
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Solution
The fourth proportional to 554,898,491.92, 765,759,652.48 and 331,880,169.68 is: 457,994,474.84
Step by Step Solution
- Step 1: Write the proportion equation
554,898,491.92 : 765,759,652.48 = 331,880,169.68 : x - Step 2: Convert to fraction form
554,898,491.92/765,759,652.48 = 331,880,169.68/x - Step 3: Cross multiply
554,898,491.92x = 765,759,652.48 × 331,880,169.68 - Step 4: Simplify right side
554,898,491.92x = 254,140,443,399,160,256 - Step 5: Solve for x
x = 254,140,443,399,160,256/554,898,491.92 - Step 6: Final answer
x = 457,994,474.84
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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.