Finding the Fourth Proportional to 7,042,152,245.80, 10,563,228,368.70 and 3,776,978,741.80
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Solution
The fourth proportional to 7,042,152,245.80, 10,563,228,368.70 and 3,776,978,741.80 is: 5,665,468,112.70
Step by Step Solution
- Step 1: Write the proportion equation
7,042,152,245.80 : 10,563,228,368.70 = 3,776,978,741.80 : x - Step 2: Convert to fraction form
7,042,152,245.80/10,563,228,368.70 = 3,776,978,741.80/x - Step 3: Cross multiply
7,042,152,245.80x = 10,563,228,368.70 × 3,776,978,741.80 - Step 4: Simplify right side
7,042,152,245.80x = 39,897,088,993,358,594,048 - Step 5: Solve for x
x = 39,897,088,993,358,594,048/7,042,152,245.80 - Step 6: Final answer
x = 5,665,468,112.70
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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.