Finding the Fourth Proportional to 399,290,411.80, 598,935,617.70 and 184,299,563.80
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Solution
The fourth proportional to 399,290,411.80, 598,935,617.70 and 184,299,563.80 is: 276,449,345.70
Step by Step Solution
- Step 1: Write the proportion equation
399,290,411.80 : 598,935,617.70 = 184,299,563.80 : x - Step 2: Convert to fraction form
399,290,411.80/598,935,617.70 = 184,299,563.80/x - Step 3: Cross multiply
399,290,411.80x = 598,935,617.70 × 184,299,563.80 - Step 4: Simplify right side
399,290,411.80x = 110,383,573,086,393,568 - Step 5: Solve for x
x = 110,383,573,086,393,568/399,290,411.80 - Step 6: Final answer
x = 276,449,345.70
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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.