Finding the Fourth Proportional to 2,860,757,101.80, 4,291,135,652.70 and 2,085,916,123.80
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Solution
The fourth proportional to 2,860,757,101.80, 4,291,135,652.70 and 2,085,916,123.80 is: 3,128,874,185.70
Step by Step Solution
- Step 1: Write the proportion equation
2,860,757,101.80 : 4,291,135,652.70 = 2,085,916,123.80 : x - Step 2: Convert to fraction form
2,860,757,101.80/4,291,135,652.70 = 2,085,916,123.80/x - Step 3: Cross multiply
2,860,757,101.80x = 4,291,135,652.70 × 2,085,916,123.80 - Step 4: Simplify right side
2,860,757,101.80x = 8,950,949,047,379,965,952 - Step 5: Solve for x
x = 8,950,949,047,379,965,952/2,860,757,101.80 - Step 6: Final answer
x = 3,128,874,185.70
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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.