Finding the Fourth Proportional to 757,100,808.96, 1,043,852,423.04 and 631,833,181.44
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Solution
The fourth proportional to 757,100,808.96, 1,043,852,423.04 and 631,833,181.44 is: 871,139,734.10
Step by Step Solution
- Step 1: Write the proportion equation
757,100,808.96 : 1,043,852,423.04 = 631,833,181.44 : x - Step 2: Convert to fraction form
757,100,808.96/1,043,852,423.04 = 631,833,181.44/x - Step 3: Cross multiply
757,100,808.96x = 1,043,852,423.04 × 631,833,181.44 - Step 4: Simplify right side
757,100,808.96x = 659,540,597,403,216,000 - Step 5: Solve for x
x = 659,540,597,403,216,000/757,100,808.96 - Step 6: Final answer
x = 871,139,734.10
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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.