Finding the Fourth Proportional to 4,972,277,464.80, 7,458,416,197.20 and 3,337,285,336.80
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Solution
The fourth proportional to 4,972,277,464.80, 7,458,416,197.20 and 3,337,285,336.80 is: 5,005,928,005.20
Step by Step Solution
- Step 1: Write the proportion equation
4,972,277,464.80 : 7,458,416,197.20 = 3,337,285,336.80 : x - Step 2: Convert to fraction form
4,972,277,464.80/7,458,416,197.20 = 3,337,285,336.80/x - Step 3: Cross multiply
4,972,277,464.80x = 7,458,416,197.20 × 3,337,285,336.80 - Step 4: Simplify right side
4,972,277,464.80x = 24,890,863,010,667,180,032 - Step 5: Solve for x
x = 24,890,863,010,667,180,032/4,972,277,464.80 - Step 6: Final answer
x = 5,005,928,005.20
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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.