Finding the Fourth Proportional to 3,679,493,379.80, 5,519,240,069.70 and 2,953,899,267.80
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Solution
The fourth proportional to 3,679,493,379.80, 5,519,240,069.70 and 2,953,899,267.80 is: 4,430,848,901.70
Step by Step Solution
- Step 1: Write the proportion equation
3,679,493,379.80 : 5,519,240,069.70 = 2,953,899,267.80 : x - Step 2: Convert to fraction form
3,679,493,379.80/5,519,240,069.70 = 2,953,899,267.80/x - Step 3: Cross multiply
3,679,493,379.80x = 5,519,240,069.70 × 2,953,899,267.80 - Step 4: Simplify right side
3,679,493,379.80x = 16,303,279,200,699,250,688 - Step 5: Solve for x
x = 16,303,279,200,699,250,688/3,679,493,379.80 - Step 6: Final answer
x = 4,430,848,901.70
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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.