Finding the Fourth Proportional to 7,691,581,475.60, 11,537,372,213.40 and 7,175,603,440.40
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Solution
The fourth proportional to 7,691,581,475.60, 11,537,372,213.40 and 7,175,603,440.40 is: 10,763,405,160.60
Step by Step Solution
- Step 1: Write the proportion equation
7,691,581,475.60 : 11,537,372,213.40 = 7,175,603,440.40 : x - Step 2: Convert to fraction form
7,691,581,475.60/11,537,372,213.40 = 7,175,603,440.40/x - Step 3: Cross multiply
7,691,581,475.60x = 11,537,372,213.40 × 7,175,603,440.40 - Step 4: Simplify right side
7,691,581,475.60x = 82,787,607,747,648,389,120 - Step 5: Solve for x
x = 82,787,607,747,648,389,120/7,691,581,475.60 - Step 6: Final answer
x = 10,763,405,160.60
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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.