Finding the Fourth Proportional to 3,587,239,177.80, 5,380,858,766.70 and 2,668,909,129.80
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Solution
The fourth proportional to 3,587,239,177.80, 5,380,858,766.70 and 2,668,909,129.80 is: 4,003,363,694.70
Step by Step Solution
- Step 1: Write the proportion equation
3,587,239,177.80 : 5,380,858,766.70 = 2,668,909,129.80 : x - Step 2: Convert to fraction form
3,587,239,177.80/5,380,858,766.70 = 2,668,909,129.80/x - Step 3: Cross multiply
3,587,239,177.80x = 5,380,858,766.70 × 2,668,909,129.80 - Step 4: Simplify right side
3,587,239,177.80x = 14,361,023,088,609,998,848 - Step 5: Solve for x
x = 14,361,023,088,609,998,848/3,587,239,177.80 - Step 6: Final answer
x = 4,003,363,694.70
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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.