Finding the Fourth Proportional to 327,439,945.98, 451,855,261.35 and 180,759,080.70
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Solution
The fourth proportional to 327,439,945.98, 451,855,261.35 and 180,759,080.70 is: 249,440,981.94
Step by Step Solution
- Step 1: Write the proportion equation
327,439,945.98 : 451,855,261.35 = 180,759,080.70 : x - Step 2: Convert to fraction form
327,439,945.98/451,855,261.35 = 180,759,080.70/x - Step 3: Cross multiply
327,439,945.98x = 451,855,261.35 × 180,759,080.70 - Step 4: Simplify right side
327,439,945.98x = 81,676,941,651,084,240 - Step 5: Solve for x
x = 81,676,941,651,084,240/327,439,945.98 - Step 6: Final answer
x = 249,440,981.94
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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.