Finding the Fourth Proportional to 4,138,032,005.80, 6,207,048,008.70 and 2,172,125,458.60
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Solution
The fourth proportional to 4,138,032,005.80, 6,207,048,008.70 and 2,172,125,458.60 is: 3,258,188,187.90
Step by Step Solution
- Step 1: Write the proportion equation
4,138,032,005.80 : 6,207,048,008.70 = 2,172,125,458.60 : x - Step 2: Convert to fraction form
4,138,032,005.80/6,207,048,008.70 = 2,172,125,458.60/x - Step 3: Cross multiply
4,138,032,005.80x = 6,207,048,008.70 × 2,172,125,458.60 - Step 4: Simplify right side
4,138,032,005.80x = 13,482,487,002,449,702,912 - Step 5: Solve for x
x = 13,482,487,002,449,702,912/4,138,032,005.80 - Step 6: Final answer
x = 3,258,188,187.90
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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.