Finding the Fourth Proportional to 3,419,470,374.80, 5,129,205,562.20 and 2,331,079,206.80
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Solution
The fourth proportional to 3,419,470,374.80, 5,129,205,562.20 and 2,331,079,206.80 is: 3,496,618,810.20
Step by Step Solution
- Step 1: Write the proportion equation
3,419,470,374.80 : 5,129,205,562.20 = 2,331,079,206.80 : x - Step 2: Convert to fraction form
3,419,470,374.80/5,129,205,562.20 = 2,331,079,206.80/x - Step 3: Cross multiply
3,419,470,374.80x = 5,129,205,562.20 × 2,331,079,206.80 - Step 4: Simplify right side
3,419,470,374.80x = 11,956,584,433,447,323,648 - Step 5: Solve for x
x = 11,956,584,433,447,323,648/3,419,470,374.80 - Step 6: Final answer
x = 3,496,618,810.20
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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.