Finding the Fourth Proportional to 5,380,565,518.70, 8,070,848,278.05 and 3,911,237,441.90
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Solution
The fourth proportional to 5,380,565,518.70, 8,070,848,278.05 and 3,911,237,441.90 is: 5,866,856,162.85
Step by Step Solution
- Step 1: Write the proportion equation
5,380,565,518.70 : 8,070,848,278.05 = 3,911,237,441.90 : x - Step 2: Convert to fraction form
5,380,565,518.70/8,070,848,278.05 = 3,911,237,441.90/x - Step 3: Cross multiply
5,380,565,518.70x = 8,070,848,278.05 × 3,911,237,441.90 - Step 4: Simplify right side
5,380,565,518.70x = 31,567,003,973,003,304,960 - Step 5: Solve for x
x = 31,567,003,973,003,304,960/5,380,565,518.70 - Step 6: Final answer
x = 5,866,856,162.85
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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.