Finding the Fourth Proportional to 5,488,641,181.80, 8,232,961,772.70 and 4,662,144,138.60
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Solution
The fourth proportional to 5,488,641,181.80, 8,232,961,772.70 and 4,662,144,138.60 is: 6,993,216,207.90
Step by Step Solution
- Step 1: Write the proportion equation
5,488,641,181.80 : 8,232,961,772.70 = 4,662,144,138.60 : x - Step 2: Convert to fraction form
5,488,641,181.80/8,232,961,772.70 = 4,662,144,138.60/x - Step 3: Cross multiply
5,488,641,181.80x = 8,232,961,772.70 × 4,662,144,138.60 - Step 4: Simplify right side
5,488,641,181.80x = 38,383,254,471,911,170,048 - Step 5: Solve for x
x = 38,383,254,471,911,170,048/5,488,641,181.80 - Step 6: Final answer
x = 6,993,216,207.90
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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.