Finding the Fourth Proportional to 359,405,181.12, 495,979,244.64 and 202,805,474.88
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Solution
The fourth proportional to 359,405,181.12, 495,979,244.64 and 202,805,474.88 is: 279,871,608.77
Step by Step Solution
- Step 1: Write the proportion equation
359,405,181.12 : 495,979,244.64 = 202,805,474.88 : x - Step 2: Convert to fraction form
359,405,181.12/495,979,244.64 = 202,805,474.88/x - Step 3: Cross multiply
359,405,181.12x = 495,979,244.64 × 202,805,474.88 - Step 4: Simplify right side
359,405,181.12x = 100,587,306,239,838,896 - Step 5: Solve for x
x = 100,587,306,239,838,896/359,405,181.12 - Step 6: Final answer
x = 279,871,608.77
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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.