Finding the Fourth Proportional to 1,609,176,438.80, 2,413,764,658.20 and 792,883,062.80
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Solution
The fourth proportional to 1,609,176,438.80, 2,413,764,658.20 and 792,883,062.80 is: 1,189,324,594.20
Step by Step Solution
- Step 1: Write the proportion equation
1,609,176,438.80 : 2,413,764,658.20 = 792,883,062.80 : x - Step 2: Convert to fraction form
1,609,176,438.80/2,413,764,658.20 = 792,883,062.80/x - Step 3: Cross multiply
1,609,176,438.80x = 2,413,764,658.20 × 792,883,062.80 - Step 4: Simplify right side
1,609,176,438.80x = 1,913,833,115,072,010,752 - Step 5: Solve for x
x = 1,913,833,115,072,010,752/1,609,176,438.80 - Step 6: Final answer
x = 1,189,324,594.20
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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.