Finding the Fourth Proportional to 351,016,543.80, 526,524,815.70 and 169,618,015.80
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Solution
The fourth proportional to 351,016,543.80, 526,524,815.70 and 169,618,015.80 is: 254,427,023.70
Step by Step Solution
- Step 1: Write the proportion equation
351,016,543.80 : 526,524,815.70 = 169,618,015.80 : x - Step 2: Convert to fraction form
351,016,543.80/526,524,815.70 = 169,618,015.80/x - Step 3: Cross multiply
351,016,543.80x = 526,524,815.70 × 169,618,015.80 - Step 4: Simplify right side
351,016,543.80x = 89,308,094,508,494,688 - Step 5: Solve for x
x = 89,308,094,508,494,688/351,016,543.80 - Step 6: Final answer
x = 254,427,023.70
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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.