Finding the Fourth Proportional to 727,935,217.08, 1,091,902,828.82 and 243,261,025.08
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Solution
The fourth proportional to 727,935,217.08, 1,091,902,828.82 and 243,261,025.08 is: 364,891,538.69
Step by Step Solution
- Step 1: Write the proportion equation
727,935,217.08 : 1,091,902,828.82 = 243,261,025.08 : x - Step 2: Convert to fraction form
727,935,217.08/1,091,902,828.82 = 243,261,025.08/x - Step 3: Cross multiply
727,935,217.08x = 1,091,902,828.82 × 243,261,025.08 - Step 4: Simplify right side
727,935,217.08x = 265,617,401,426,504,960 - Step 5: Solve for x
x = 265,617,401,426,504,960/727,935,217.08 - Step 6: Final answer
x = 364,891,538.69
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1.5x scale
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.