Finding the Fourth Proportional to 7,929,970,811.21, 11,896,311,369.50 and 3,269,297,014.13
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Solution
The fourth proportional to 7,929,970,811.21, 11,896,311,369.50 and 3,269,297,014.13 is: 4,904,504,211.35
Step by Step Solution
- Step 1: Write the proportion equation
7,929,970,811.21 : 11,896,311,369.50 = 3,269,297,014.13 : x - Step 2: Convert to fraction form
7,929,970,811.21/11,896,311,369.50 = 3,269,297,014.13/x - Step 3: Cross multiply
7,929,970,811.21x = 11,896,311,369.50 × 3,269,297,014.13 - Step 4: Simplify right side
7,929,970,811.21x = 38,892,575,239,493,599,232 - Step 5: Solve for x
x = 38,892,575,239,493,599,232/7,929,970,811.21 - Step 6: Final answer
x = 4,904,504,211.35
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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.