Finding the Fourth Proportional to 4,059,369,113.80, 6,089,053,670.70 and 1,993,126,505.80
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Solution
The fourth proportional to 4,059,369,113.80, 6,089,053,670.70 and 1,993,126,505.80 is: 2,989,689,758.70
Step by Step Solution
- Step 1: Write the proportion equation
4,059,369,113.80 : 6,089,053,670.70 = 1,993,126,505.80 : x - Step 2: Convert to fraction form
4,059,369,113.80/6,089,053,670.70 = 1,993,126,505.80/x - Step 3: Cross multiply
4,059,369,113.80x = 6,089,053,670.70 × 1,993,126,505.80 - Step 4: Simplify right side
4,059,369,113.80x = 12,136,254,266,310,955,008 - Step 5: Solve for x
x = 12,136,254,266,310,955,008/4,059,369,113.80 - Step 6: Final answer
x = 2,989,689,758.70
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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.