Finding the Fourth Proportional to 727,935,215.08, 1,091,902,825.82 and 243,261,023.08
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Solution
The fourth proportional to 727,935,215.08, 1,091,902,825.82 and 243,261,023.08 is: 364,891,535.69
Step by Step Solution
- Step 1: Write the proportion equation
727,935,215.08 : 1,091,902,825.82 = 243,261,023.08 : x - Step 2: Convert to fraction form
727,935,215.08/1,091,902,825.82 = 243,261,023.08/x - Step 3: Cross multiply
727,935,215.08x = 1,091,902,825.82 × 243,261,023.08 - Step 4: Simplify right side
727,935,215.08x = 265,617,398,512,916,224 - Step 5: Solve for x
x = 265,617,398,512,916,224/727,935,215.08 - Step 6: Final answer
x = 364,891,535.69
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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.